Update docker/login-action digest to 6862ffc

Author: renovate[bot]

.github/workflows/publish_docker.yml

@@ -20,7 +20,7 @@ jobs:
           ref: ${{ github.ref }}
 
       - name: Log in to the Container registry
-        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        uses: docker/login-action@6862ffc5ab2cdb4405cf318a62a6f4c066e2298b
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}