ghactions: bump docker/login-action from 1.14.1 to 2

Bumps [docker/login-action](https://github.com/docker/login-action) from 1.14.1 to 2.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@dd4fa06...49ed152)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/backup-operator-docker.yml

@@ -32,7 +32,7 @@ jobs:
     steps:
       # https://docs.github.com/en/actions/guides/publishing-docker-images#publishing-images-to-github-packages
       - uses: actions/checkout@v3
-      - uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7
+      - uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}