chore(deps): bump redhat-actions/push-to-registry from 2 to 3 (#1336)

Bumps [redhat-actions/push-to-registry](https://github.com/redhat-actions/push-to-registry) from 2 to 3.
- [Release notes](https://github.com/redhat-actions/push-to-registry/releases)
- [Changelog](https://github.com/redhat-actions/push-to-registry/blob/main/CHANGELOG.md)
- [Commits](https://github.com/redhat-actions/push-to-registry/compare/v2...v3)

---
updated-dependencies:
- dependency-name: redhat-actions/push-to-registry
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/nightly.yml

@@ -103,7 +103,7 @@ jobs:
 
       - name: Push To GHCR
         id: push-to-registry
-        uses: redhat-actions/push-to-registry@v2
+        uses: redhat-actions/push-to-registry@v3
         with:
           image: ${{ steps.build-container.outputs.image }}
           # Push the same tags used at build time: