Update registry.access.redhat.com/ubi8/ubi Docker tag to v8.6-903

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
registry.access.redhat.com/ubi8/ubi	final	patch	8.6-855 -> 8.6-903

---

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: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, click this checkbox. ⚠ Warning: custom changes will be lost.

---

This PR has been generated by Mend Renovate. View repository job log here.

[github-actions[bot]]

PR Environments:

• puzzle https://amm-techlab-pr-334.k8s.puzzle.ch