Bump docker/login-action from 2.1.0 to 2.2.0 (#29)

Bumps [docker/login-action](https://github.com/docker/login-action) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@v2.1.0...v2.2.0)

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

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

Author: dependabot[bot]

.github/workflows/docker.yml

@@ -25,7 +25,7 @@ jobs:
 
       -
         name: Login to DockerHub
-        uses: docker/login-action@v2.1.0
+        uses: docker/login-action@v2.2.0
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}