Bump org.gitlab4j:gitlab4j-api from 5.6.0 to 5.8.0

Bumps [org.gitlab4j:gitlab4j-api](https://github.com/gitlab4j/gitlab4j-api) from 5.6.0 to 5.8.0.
- [Release notes](https://github.com/gitlab4j/gitlab4j-api/releases)
- [Changelog](https://github.com/gitlab4j/gitlab4j-api/blob/main/CHANGELOG.md)
- [Commits](gitlab4j/gitlab4j-api@gitlab4j-api-5.6.0...5.8.0)

---
updated-dependencies:
- dependency-name: org.gitlab4j:gitlab4j-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -374,7 +374,7 @@
             <dependency>
                 <groupId>org.gitlab4j</groupId>
                 <artifactId>gitlab4j-api</artifactId>
-                <version>5.6.0</version>
+                <version>5.8.0</version>
             </dependency>
 
             <dependency>