Bump docker/login-action from 2.0.0 to 2.1.0

Bumps [docker/login-action](https://github.com/docker/login-action) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/49ed152c8eca782a232dede0303416e8f356c37b...f4ef78c080cd8ba55a85445d5b36e214a81df20a)

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

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

.github/workflows/docker-publish.yml

@@ -38,7 +38,7 @@ jobs:
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}