Merge pull request #760 from writefreely/dependabot/github_actions/docker/login-action-3.0.0

Bump docker/login-action from 2.2.0 to 3.0.0

.github/workflows/docker-publish.yml

@@ -34,7 +34,7 @@ jobs:
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2.2.0
+        uses: docker/login-action@v3.0.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}