Erro 403

Quando tento acessar o endpoint do Swagger, sempre dá erro 403.

package br.com.alura.forum.config.security;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityCustomizer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

import br.com.alura.forum.repository.UsuarioRepository;

@EnableWebSecurity
@Configuration
public class SecurityConfiguration {

    @Autowired
    private TokenService tokenService;

    @Autowired
    private UsuarioRepository usuarioRepository;



    @Bean
    protected SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http
            .authorizeRequests()
            .antMatchers(HttpMethod.GET, "/topicos").permitAll()
            .antMatchers(HttpMethod.GET, "/topicos/*").permitAll()
            .antMatchers(HttpMethod.POST, "/auth").permitAll()
            .antMatchers(HttpMethod.GET, "/actuator").permitAll()
            .antMatchers(HttpMethod.GET, "/actuator/**").permitAll()
            .anyRequest().authenticated()
            .and().csrf().disable().sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
            .and().addFilterBefore(new AutenticacaoViaTokenFilter(tokenService, usuarioRepository), UsernamePasswordAuthenticationFilter.class);

        return http.build();
    }

    @Bean
    protected AuthenticationManager authenticationManager(AuthenticationConfiguration authenticationConfiguration) throws Exception {
        return authenticationConfiguration.getAuthenticationManager();
    }

    @Bean
    protected PasswordEncoder encoder() {
        return new BCryptPasswordEncoder();
    }

    @Bean
    public WebSecurityCustomizer webSecurityCustomizer() {
        return (web) -> web.ignoring().antMatchers("/swagger-ui.html", "/v2/api-docs", "/webjars/**", "/configurations/**","/swagger-resources/**");
    }

}

package br.com.alura.forum.config.swagger;

import org.springframework.context.annotation.Bean;

import br.com.alura.forum.modelo.Usuario;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

public class SwaggerConfigurations {

    @Bean
    public Docket forumApi() {
        return new Docket(DocumentationType.SWAGGER_2)
            .select()
            .apis(RequestHandlerSelectors.basePackage("br.com.alura.forum"))
            .paths(PathSelectors.ant("/**"))
            .build()
            .ignoredParameterTypes(Usuario.class);
    }

}