add docker creds

.gitea/workflows/ci.yml

@@ -9,6 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: git.rivercry.com/system/bar:latest
+      credentials:
+        username: docker
+        password: ${{ secrets.DOCKER_PASSWORD }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4