Bump redhat-actions/push-to-registry from 2.7 to 2.8

Bumps [redhat-actions/push-to-registry](https://github.com/redhat-actions/push-to-registry) from 2.7 to 2.8.
- [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](redhat-actions/push-to-registry@v2.7...v2.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/dockerimage.yml

@@ -38,7 +38,7 @@ jobs:
         layers: true
 
     - name: Push latest image to ghcr
-      uses: redhat-actions/push-to-registry@v2.7
+      uses: redhat-actions/push-to-registry@v2.8
       with:
         image: ${{ steps.build-latest-image.outputs.image }}
         tags: ${{ steps.build-latest-image.outputs.tags }}
@@ -98,7 +98,7 @@ jobs:
       if: env.VERSION != env.AVAIL
 
     - name: Push version image to ghcr
-      uses: redhat-actions/push-to-registry@v2.7
+      uses: redhat-actions/push-to-registry@v2.8
       with:
         image: ${{ steps.build-version-image.outputs.image }}
         tags: ${{ steps.build-version-image.outputs.tags }}