Bump gitpod/workspace-java-21 from 2025-02-10-10-54-28 to 2025-05-14-07-50-25 (#6249)

Bump gitpod/workspace-java-21

Bumps gitpod/workspace-java-21 from 2025-02-10-10-54-28 to 2025-05-14-07-50-25.

---
updated-dependencies:
- dependency-name: gitpod/workspace-java-21
  dependency-version: 2025-05-14-07-50-25
  dependency-type: direct:production
...

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