Ao executar o projeto, Eclipse esta me retornando a seguinte mensagem de erro:

2021-06-10 21:16:53.454  WARN 33136 --- [  restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSourceScriptDatabaseInitializer' defined in class path resource [org/springframework/boot/autoconfigure/sql/init/DataSourceInitializationConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.jdbc.datasource.init.ScriptStatementFailedException: Failed to execute SQL script statement #1 of URL [file:/D:/Alura/forum/target/classes/data.sql]: INSERT INTO USUARIO(nome, email, senha) VALUES('Aluno', 'aluno@email.com', '123456'); nested exception is org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "USUARIO" not found; SQL statement:
INSERT INTO USUARIO(nome, email, senha) VALUES('Aluno', 'aluno@email.com', '123456') [42102-200]
2021-06-10 21:16:53.675  WARN 33136 --- [  restartedMain] o.s.b.f.support.DisposableBeanAdapter    : Invocation of destroy method failed on bean with name 'inMemoryDatabaseShutdownExecutor': org.h2.jdbc.JdbcSQLNonTransientConnectionException: Database is already closed (to disable automatic closing at VM shutdown, add ";DB_CLOSE_ON_EXIT=FALSE" to the db URL) [90121-200]
2021-06-10 21:16:53.676  INFO 33136 --- [  restartedMain] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown initiated...
2021-06-10 21:16:53.683  INFO 33136 --- [  restartedMain] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown completed.
2021-06-10 21:16:53.690  INFO 33136 --- [  restartedMain] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2021-06-10 21:16:53.717  INFO 33136 --- [  restartedMain] ConditionEvaluationReportLoggingListener : 
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021-06-10 21:16:53.762 ERROR 33136 --- [  restartedMain] o.s.boot.SpringApplication               : Application run failed

Minha classe Usuario

package br.com.alura.forum.modelo;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

@Entity
public class Usuario {

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

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((id == null) ? 0 : id.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Usuario other = (Usuario) obj;
        if (id == null) {
            if (other.id != null)
                return false;
        } else if (!id.equals(other.id))
            return false;
        return true;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getNome() {
        return nome;
    }

    public void setNome(String nome) {
        this.nome = nome;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getSenha() {
        return senha;
    }

    public void setSenha(String senha) {
        this.senha = senha;
    }

}

Meu arquivo data.sql

INSERT INTO USUARIO(nome, email, senha) VALUES('Aluno', 'aluno@email.com', '123456');

INSERT INTO CURSO(nome, categoria) VALUES('Spring Boot', 'Programação');
INSERT INTO CURSO(nome, categoria) VALUES('HTML 5', 'Front-end');

INSERT INTO TOPICO(titulo, mensagem, data_criacao, status, autor_id, curso_id) VALUES('Dúvida', 'Erro ao criar projeto', '2019-05-05 18:00:00', 'NAO_RESPONDIDO', 1, 1);
INSERT INTO TOPICO(titulo, mensagem, data_criacao, status, autor_id, curso_id) VALUES('Dúvida 2', 'Projeto não compila', '2019-05-05 19:00:00', 'NAO_RESPONDIDO', 1, 1);
INSERT INTO TOPICO(titulo, mensagem, data_criacao, status, autor_id, curso_id) VALUES('Dúvida 3', 'Tag HTML', '2019-05-05 20:00:00', 'NAO_RESPONDIDO', 1, 2);

Arquivo application.properties

# datasource
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.url=jdbc:h2:mem:alura-forum
spring.datasource.username=sa
spring.datasource.password=

# jpa
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update

# h2
spring.h2.console.enabled=true
spring.h2.console.path=/h2-console