Make sure ensure-run-success job always runs

Previously if this job was skipped, the PR could still be merged.

Author: zoltan-antal

.github/workflows/ci.yaml

@@ -61,11 +61,10 @@ jobs:
     name: Ensure end-to-end tests ran successfully
     runs-on: ubuntu-latest
     needs: [run-against-staging, run-against-container]
-    if: |
-      always() && (
-        needs.run-against-staging.result == 'success' ||
-        needs.run-against-container.result == 'success'
-      )
+    if: always()
     steps:
-      - name: Output result
-        run: echo "End-to-end tests ran successfully"
+      - name: Fail if neither end-to-end job succeeded
+        if: |
+          needs.run-against-staging.result != 'success' &&
+          needs.run-against-container.result != 'success'
+        run: exit 1