Use a docker enabled container

.gitea/workflows/build.yaml

@@ -8,14 +8,14 @@ on: [ push ]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: cth-ubuntu-latest
     if: gitea.ref == 'refs/heads/main'
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
       - name: Set up docker buildx
         uses: docker/setup-buildx-action@v3
-      - name: Login to Docker Hub
+      - name: Login to Docker Hub for ${{ secrets.DOCKERHUB_USERNAME }}
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}