GHW: Remove unnecessary echo, add docker test timeout

.github/workflows/release.yml

@@ -109,9 +109,6 @@ jobs:
           githubToken: ${{ secrets.GITHUB_TOKEN }}
           prefix: "jupyterhub/jupyterhub:"
 
-      - name: Display tags
-        run: echo "Docker tags ${{ steps.gettags.outputs.tags }}"
-
       - name: Build and push jupyterhub
         uses: docker/build-push-action@v2
         with:

.github/workflows/test.yml

@@ -225,6 +225,7 @@ jobs:
 
   docker-build:
     runs-on: ubuntu-20.04
+    timeout-minutes: 10
 
     steps:
       - uses: actions/checkout@v2