Allow Docker build job to push image to registry

.gitea/workflows/push.yaml

@@ -87,6 +87,8 @@ jobs:
 
   docker-build:
     runs-on: ubuntu-latest-docker
+    permissions:
+      packages: write
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -96,8 +98,6 @@ jobs:
         uses: docker/login-action@v4
         with:
           registry: ${{ env.registry }}
-          username: ${{ env.actions_user }}
-          password: ${{ secrets.CONTAINER_REGISTRY_TOKEN }}
       - name: Get Image Name
         id: get-image-name
         run: |