Update docker/login-action digest to 6d4b68b

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -30,7 +30,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-buildx-
       - name: Log in to the Container registry
-        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        uses: docker/login-action@6d4b68b490aef8836e8fb5e50ee7b3bdfa5894f0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}