run e2e tests only with ci/e2e label

Signed-off-by: Philippe Martin <[email protected]>

Author: feloy

.github/workflows/e2e-tests.yaml

@@ -20,6 +20,7 @@ name: e2e-tests
 on: [pull_request]
 
 jobs:
+  if: ${{ contains(github.event.pull_request.labels.*.name, 'ci/e2e') }}
   # Dedicated step to build the extension image
   build-container:
     name: Build Extension Image