chore: fix intermittent E2E test fail in '1-040_validate_quoted_RBAC_group_names_test'

[jgwest]

What type of PR is this?
/kind bug

What does this PR do / why we need it:

• Simple fix to 1-040 to handle intermittent test failure

This is what the failing test looks like:

�[38;5;243m------------------------------�[0m
�[0mGitOps Operator Sequential E2E Tests �[38;5;243m1-040-validate_quoted_RBAC_group_names �[0m�[1mcreates a project role 'somerole' and group claim, and verifies group claim contains the expected data�[0m
�[38;5;243m/go/src/github.com/redhat-developer/gitops-operator/test/openshift/e2e/ginkgo/sequential/1-040_validate_quoted_RBAC_group_names_test.go:22�[0m
  Object exists in ExistByName: openshift-gitops
  ArgoCD status is now Available
  �[1mSTEP:�[0m logging in to Argo CD instance �[38;5;243m@ 01/30/26 06:29:02.239�[0m
  executing command [argocd login openshift-gitops-server-openshift-gitops.apps.ci-op-50dgh5jd-d16b6.ocp-gitops-qe.com --username admin --password BW3leKD9GtPQMu70ag1iAJNZHUkjsmpw --insecure --skip-test-tls]
  {"level":"warning","msg":"Failed to invoke grpc call. Use flag --grpc-web in grpc calls. To avoid this warning message, use flag --grpc-web.","time":"2026-01-30T06:29:02Z"}
  'admin:login' logged in successfully
  Context 'openshift-gitops-server-openshift-gitops.apps.ci-op-50dgh5jd-d16b6.ocp-gitops-qe.com' updated

  �[1mSTEP:�[0m Creating a new 'somerole' role in default project �[38;5;243m@ 01/30/26 06:29:03.521�[0m
  executing command [argocd proj role create default somerole]
  {"level":"warning","msg":"Failed to invoke grpc call. Use flag --grpc-web in grpc calls. To avoid this warning message, use flag --grpc-web.","time":"2026-01-30T06:29:03Z"}
  Role 'somerole' created

  �[1mSTEP:�[0m adding a group claim to the somerole role �[38;5;243m@ 01/30/26 06:29:04.205�[0m
  executing command [argocd proj role add-group default somerole "CN=foo,OU=bar,O=baz"]
  {"level":"warning","msg":"Failed to invoke grpc call. Use flag --grpc-web in grpc calls. To avoid this warning message, use flag --grpc-web.","time":"2026-01-30T06:29:04Z"}
  {"level":"fatal","msg":"rpc error: code = Unknown desc = POST https://openshift-gitops-server-openshift-gitops.apps.ci-op-50dgh5jd-d16b6.ocp-gitops-qe.com:443/project.ProjectService/Get failed with status code 503","time":"2026-01-30T06:29:20Z"}

  �[1mSTEP:�[0m deleting the role we created during the test �[38;5;243m@ 01/30/26 06:29:20.694�[0m
  executing command [argocd proj role delete default somerole]
  {"level":"warning","msg":"Failed to invoke grpc call. Use flag --grpc-web in grpc calls. To avoid this warning message, use flag --grpc-web.","time":"2026-01-30T06:29:21Z"}
  Role 'somerole' deleted

  �[38;5;9m[FAILED]�[0m in [It] - /go/src/github.com/redhat-developer/gitops-operator/test/openshift/e2e/ginkgo/sequential/1-040_validate_quoted_RBAC_group_names_test.go:42 �[38;5;243m@ 01/30/26 06:29:21.408�[0m
  executing command: [kubectl logs pod/openshift-gitops-operator-controller-manager-5ff54fcf49-pvxnk manager -n openshift-gitops-operator]

  ----------------------------------------------------------------

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[openshift-ci]

@jgwest: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v4.14-kuttl-sequential	3c50570	link	true	/test v4.14-kuttl-sequential

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