at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1788) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:313) ~[spring-beans-6.1.8.jar:6.1.8]
    ... 15 common frames omitted
Caused by: org.flywaydb.core.api.exception.FlywayValidateException: Validate failed: Migrations have failed validation
Detected failed migration to version 4 (create-table-pacientes).
Please remove any half-completed changes then run repair to fix the schema history.
Need more flexibility with validation rules? Learn more: https://rd.gt/3AbJUZE
    at org.flywaydb.core.Flyway.lambda$migrate$0(Flyway.java:160) ~[flyway-core-10.10.0.jar:na]
    at org.flywaydb.core.FlywayExecutor.execute(FlywayExecutor.java:205) ~[flyway-core-10.10.0.jar:na]
    at org.flywaydb.core.Flyway.migrate(Flyway.java:147) ~[flyway-core-10.10.0.jar:na]
    at org.springframework.boot.autoconfigure.flyway.FlywayMigrationInitializer.afterPropertiesSet(FlywayMigrationInitializer.java:66) ~[spring-boot-autoconfigure-3.3.0.jar:3.3.0]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1835) ~[spring-beans-6.1.8.jar:6.1.8]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1784) ~[spring-beans-6.1.8.jar:6.1.8]
    ... 22 common frames omitted


Process finished with exit code 0

create table pacientes(

    id bigint not null auto_increment,
    nome varchar(100) not null,
    email varchar(100) not null unique,
    cpf varchar(14) not null unique,
    logradouro varchar(100) not null,
    bairro varchar(100) not null,
    cep varchar(9) not null,
    complemento varchar(100),
    numero varchar(20),
    uf char(2) not null,
    cidade varchar(100) not null,
    telefone varchar(20) not null,
    ativo tinyint not null,

    primary key(id)

);

package med.voll.api.controller;

import jakarta.validation.Valid;
import med.voll.api.paciente.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.web.PageableDefault;
import org.springframework.http.ResponseEntity;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.util.UriComponentsBuilder;

@RestController
@RequestMapping("pacientes")
public class PacienteController {

    @Autowired
    private PacienteRepository repository;

    @PostMapping
    @Transactional
    public ResponseEntity cadastrar(@RequestBody @Valid DadosCadastroPaciente dados, UriComponentsBuilder uriBuilder) {
        var paciente = new Paciente(dados);
        repository.save(paciente);

        var uri = uriBuilder.path("/pacientes/{id}").buildAndExpand(paciente.getId()).toUri();
        return ResponseEntity.created(uri).body(new DadosDetalhamentoPaciente(paciente));
    }

    @GetMapping
    public ResponseEntity<Page<DadosListagemPaciente>> listar(@PageableDefault(size = 10, sort = {"nome"}) Pageable paginacao) {
        var page = repository.findAllByAtivoTrue(paginacao).map(DadosListagemPaciente::new);
        return ResponseEntity.ok(page);
    }

    @PutMapping
    @Transactional
    public ResponseEntity atualizar(@RequestBody @Valid DadosAtualizacaoPaciente dados) {
        var paciente = repository.getReferenceById(dados.id());
        paciente.atualizarInformacoes(dados);

        return ResponseEntity.ok(new DadosDetalhamentoPaciente(paciente));
    }

    @DeleteMapping("/{id}")
    @Transactional
    public ResponseEntity excluir(@PathVariable Long id) {
        var paciente = repository.getReferenceById(id);
        paciente.excluir();

        return ResponseEntity.noContent().build();
    }

    @GetMapping("/{id}")
    public ResponseEntity detalhar(@PathVariable Long id) {
        var paciente = repository.getReferenceById(id);
        return ResponseEntity.ok(new DadosDetalhamentoPaciente(paciente));
    }
}

package med.voll.api.paciente;

import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;

public interface PacienteRepository extends JpaRepository<Paciente, Long> {
    Page<Paciente> findAllByAtivoTrue(Pageable paginacao);
}

package med.voll.api.paciente;

public record DadosListagemPaciente(Long id, String nome, String email, String cpf) {

    public DadosListagemPaciente(Paciente paciente) {
        this(paciente.getId(), paciente.getNome(), paciente.getEmail(), paciente.getCpf());
    }

}

package med.voll.api.paciente;

import med.voll.api.endereco.Endereco;


public record DadosDetalhamentoPaciente(String nome, String email, String telefone, String cpf, Endereco endereco) {
    public DadosDetalhamentoPaciente(Paciente paciente) {
        this(paciente.getNome(), paciente.getEmail(), paciente.getTelefone(), paciente.getCpf(), paciente.getEndereco());
    }
}

package med.voll.api.paciente;

import jakarta.validation.Valid;
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Pattern;
import med.voll.api.endereco.DadosEndereco;

public record DadosCadastroPaciente(
        @NotBlank
        String nome,
        @NotBlank
        @Email
        String email,

        @NotBlank
        String telefone,
        @NotBlank
        @Pattern(regexp = "\\d{3}\\.\\d{3}\\.\\d{3}\\-\\d{2}")
        String cpf,

        @NotNull @Valid DadosEndereco endereco) {
}

package med.voll.api.paciente;

import jakarta.validation.constraints.NotNull;
import med.voll.api.endereco.DadosEndereco;

public record DadosAtualizacaoPaciente(
        @NotNull
        Long id,
        String nome,
        String telefone,
        DadosEndereco endereco) {
}

package med.voll.api.paciente;

import jakarta.persistence.*;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import med.voll.api.endereco.Endereco;

@Table(name = "pacientes")
@Entity(name = "Paciente")
@Getter
@NoArgsConstructor
@AllArgsConstructor
@EqualsAndHashCode(of = "id")
public class Paciente {

    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    private String nome;
    private String email;

    private String telefone;

    private String cpf;

    @Embedded
    private Endereco endereco;

    private Boolean ativo;

    public Paciente(DadosCadastroPaciente dados) {
        this.ativo = true;
        this.nome = dados.nome();
        this.email = dados.email();
        this.telefone = dados.telefone();
        this.cpf = dados.cpf();
        this.endereco = new Endereco(dados.endereco());
    }

    public void atualizarInformacoes(DadosAtualizacaoPaciente dados) {
        if (dados.nome() != null) {
            this.nome = dados.nome();
        }
        if (dados.telefone() != null) {
            this.telefone = dados.telefone();
        }
        if (dados.endereco() != null) {
            this.endereco.atualizarInformacoes(dados.endereco());
        }

    }

    public void excluir() {
        this.ativo = false;
    }
}

package med.voll.api.controller;

import jakarta.validation.Valid;
import med.voll.api.paciente.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.web.PageableDefault;
import org.springframework.http.ResponseEntity;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.util.UriComponentsBuilder;

@RestController
@RequestMapping("pacientes")
public class PacienteController {

    @Autowired
    private PacienteRepository repository;

    @PostMapping
    @Transactional
    public ResponseEntity cadastrar(@RequestBody @Valid DadosCadastroPaciente dados, UriComponentsBuilder uriBuilder) {
        var paciente = new Paciente(dados);
        repository.save(paciente);

        var uri = uriBuilder.path("/pacientes/{id}").buildAndExpand(paciente.getId()).toUri();
        return ResponseEntity.created(uri).body(new DadosDetalhamentoPaciente(paciente));
    }

    @GetMapping
    public ResponseEntity<Page<DadosListagemPaciente>> listar(@PageableDefault(size = 10, sort = {"nome"}) Pageable paginacao) {
        var page = repository.findAllByAtivoTrue(paginacao).map(DadosListagemPaciente::new);
        return ResponseEntity.ok(page);
    }

    @PutMapping
    @Transactional
    public ResponseEntity atualizar(@RequestBody @Valid DadosAtualizacaoPaciente dados) {
        var paciente = repository.getReferenceById(dados.id());
        paciente.atualizarInformacoes(dados);

        return ResponseEntity.ok(new DadosDetalhamentoPaciente(paciente));
    }

    @DeleteMapping("/{id}")
    @Transactional
    public ResponseEntity excluir(@PathVariable Long id) {
        var paciente = repository.getReferenceById(id);
        paciente.excluir();

        return ResponseEntity.noContent().build();
    }

    @GetMapping("/{id}")
    public ResponseEntity detalhar(@PathVariable Long id) {
        var paciente = repository.getReferenceById(id);
        return ResponseEntity.ok(new DadosDetalhamentoPaciente(paciente));
    }
}

Oi!

Aqui foi mostrado como resolver: https://cursos.alura.com.br/course/spring-boot-3-desenvolva-api-rest-java/task/121056

Obrigado!