Update ruby to v3.4.2

This MR contains the following updates:

Package	Type	Update	Change
registry.docker.com/library/ruby (source)		patch	3.4.1 -> 3.4.2
registry.docker.com/library/ruby (source)	final	patch	3.4.1-slim -> 3.4.2-slim
ruby (source)		patch	3.4.1 -> 3.4.2

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

Rebasing: Whenever MR is behind base branch, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.

.tool-versions

-ruby 3.3.6
+ruby 3.4.1