Bump docker/login-action from 2.0.0 to 2.1.0 (#215)

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](docker/login-action@v2.0.0...v2.1.0)

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

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Author: dependabot[bot]

.github/workflows/ci.yml

@@ -332,7 +332,7 @@ jobs:
           retention-days: 7
 
       - name: Log in to the Container registry
-        uses: docker/login-action@v2.0.0
+        uses: docker/login-action@v2.1.0
         if: ${{ (matrix.os == 'ubuntu-latest') }}
         with:
           registry: ${{ env.REGISTRY }}