chore: bump org.springdoc:springdoc-openapi-starter-webmvc-ui (#178)

Bumps [org.springdoc:springdoc-openapi-starter-webmvc-ui](https://github.com/springdoc/springdoc-openapi) from 2.8.3 to 2.8.4.
- [Release notes](https://github.com/springdoc/springdoc-openapi/releases)
- [Changelog](https://github.com/springdoc/springdoc-openapi/blob/main/CHANGELOG.md)
- [Commits](springdoc/springdoc-openapi@v2.8.3...v2.8.4)

---
updated-dependencies:
- dependency-name: org.springdoc:springdoc-openapi-starter-webmvc-ui
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -49,7 +49,7 @@ subprojects {
 		compileOnly 'org.projectlombok:lombok'
 		annotationProcessor 'org.projectlombok:lombok'
 
-		implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.3'
+		implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.4'
 
 		implementation 'io.jsonwebtoken:jjwt:0.9.1'
 		implementation 'javax.xml.bind:jaxb-api:2.3.1'
@@ -59,7 +59,7 @@ subprojects {
 		testFixturesImplementation 'org.springframework.boot:spring-boot-starter-security'
 		testFixturesImplementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 		testFixturesImplementation 'org.projectlombok:lombok'
-		testFixturesImplementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.3'
+		testFixturesImplementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.4'
 		testFixturesImplementation 'org.springframework.boot:spring-boot-starter-data-redis'
 	}