chore: bump dataaxiom/ghcr-cleanup-action

Bumps the github-actions group with 1 update in the / directory: [dataaxiom/ghcr-cleanup-action](https://github.com/dataaxiom/ghcr-cleanup-action).


Updates `dataaxiom/ghcr-cleanup-action` from 1.0.16 to 1.2.1
- [Release notes](https://github.com/dataaxiom/ghcr-cleanup-action/releases)
- [Commits](dataaxiom/ghcr-cleanup-action@cd0cdb9...f092b48)

---
updated-dependencies:
- dependency-name: dataaxiom/ghcr-cleanup-action
  dependency-version: 1.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/cleanup-untagged-images.yml

@@ -11,6 +11,6 @@ jobs:
     permissions:
       packages: write
     steps:
-      - uses: dataaxiom/ghcr-cleanup-action@cd0cdb900b5dbf3a6f2cc869f0dbb0b8211f50c4 # v1.0.16
+      - uses: dataaxiom/ghcr-cleanup-action@f092b48ba3b604b2a83690dc4b2bbb3392e1045f # v1.2.1
         with:
           delete-untagged: true