chore(deps): bump gitpod/workspace-java-21 from 2025-08-25-18-17-39 to 2025-10-06-13-14-25 (#6685)

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

Bumps gitpod/workspace-java-21 from 2025-08-25-18-17-39 to 2025-10-06-13-14-25.

---
updated-dependencies:
- dependency-name: gitpod/workspace-java-21
  dependency-version: 2025-10-06-13-14-25
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: a <alexanderklmn@gmail.com>