[Backport release-24.05] java-language-server: use headless jdk to reduce dependencies

[github-actions[bot]]

Bot-based backport to release-24.05, triggered by a label in #323434.

• [ ] Before merging, ensure that this backport is acceptable for the release.
  • Even as a non-commiter, if you find that it is not acceptable, leave a comment.

[SuperSandro2000]

@ofborg build java-language-server