Update jenkins/jenkins Docker tag to v2.289.3

This MR contains the following updates:

Package	Type	Update	Change
jenkins/jenkins	ironbank-docker	patch	2.289.2-centos -> 2.289.3-centos
jenkins/jenkins		patch	2.289.2 -> 2.289.3
jenkins/jenkins	stage	patch	2.289.2-centos -> 2.289.3-centos

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled due to failing status checks.

♻ Rebasing: Whenever MR becomes conflicted, 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.