Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/sonatype/nexus/nexus	minor	3.52.0-01 -> 3.53.0-01
registry1.dso.mil/ironbank/google/go-containerregistry/crane	minor	v0.12.1 -> v0.15.1
registry1.dso.mil/ironbank/redhat/ubi/ubi8-minimal	minor	8.7 -> 8.8
registry1.dso.mil/ironbank/sonatype/nexus/nexus	minor	3.52.0-01 -> 3.53.0-01

---

Configuration

📅 Schedule: 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.

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

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.