Collect RBAC resources in E2E test artifacts

Add roles and rolebindings to artifact collection to diagnose
permission errors during PipelineRun deployments. This will help
investigate RBAC propagation delays that may cause intermittent
deployment failures.

Author: creydr

.github/workflows/test-e2e.yml

@@ -72,7 +72,7 @@ jobs:
         run: |
           mkdir -p /tmp/k8s-artifacts
           kubectl logs -n func-operator-system -l control-plane=controller-manager --tail=-1 --all-containers --prefix --timestamps > /tmp/k8s-artifacts/func-operator.log || true
-          for resource in functions deployments configmaps pipelineruns; do
+          for resource in functions deployments configmaps pipelineruns roles rolebindings; do
             kubectl get ${resource} -A -o yaml > /tmp/k8s-artifacts/${resource}.yaml || true
           done