Enable docker/login-action

Author: simonhammes

.github/workflows/docker.yml

@@ -16,11 +16,11 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    #- name: Login to Docker Hub
-    #  uses: docker/login-action@v3
-    #  with:
-    #    username: ${{ secrets.DOCKERHUB_USER }}
-    #    password: ${{ secrets.DOCKERHUB_TOKEN }}
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USER }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
 
     - name: Extract metadata
       id: metadata