:seedling: Update github-actions group

[cluster-stack-bot[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/cache	action	digest	13aacd8 -> ab5e6d0
actions/create-github-app-token	action	digest	e8e39f7 -> f2acddf

---

Configuration

📅 Schedule: Branch creation - "on monday" in timezone Europe/Berlin, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• [ ] If you want to rebase/retry this PR, check this box