chore(deps): bump gitpod/workspace-java-21 from 2025-05-14-07-50-25 to 2025-06-18-16-47-14 (#6312)

chore(deps): bump gitpod/workspace-java-21

Bumps gitpod/workspace-java-21 from 2025-05-14-07-50-25 to 2025-06-18-16-47-14.

---
updated-dependencies:
- dependency-name: gitpod/workspace-java-21
  dependency-version: 2025-06-18-16-47-14
  dependency-type: direct:production
...

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