fix(ci): skip tutorial build if code-server build failed

Author: ngc7331

.github/workflows/build-docker-tutorial.yml

@@ -16,6 +16,7 @@ on:
 jobs:
   build-and-push:
     runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'push' || (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success') }}
     permissions:
       contents: read
       packages: write