Below two TCs:

• tests.install_upgrade_operators.must_gather.test_must_gather.TestMustGatherCluster.test_webhookconfig_resourcescnv-gather#
• tests.install_upgrade_operators.must_gather.test_must_gather.TestMustGatherCluster.test_webhookconfig_resourcesall-images#
  are failing with the same reason:

      File "/openshift-virtualization-tests/tests/install_upgrade_operators/must_gather/utils.py", line 262, in compare_webhook_svc_contents
      webhooks_resource_instance_service = webhook_resource.instance.webhooks[0]["clientConfig"].get("service")
                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^
      TypeError: 'NoneType' object is not subscriptable
    

  Observed in:
  https://jenkins-csb-cnvqe-main.dno.corp.redhat.com/job/test-pytest-cnv-4.19-iuo-ocs/48/testReport/
  https://jenkins-csb-cnvqe-main.dno.corp.redhat.com/job/test-pytest-cnv-4.18-iuo-ocs/91/testReport/
  https://jenkins-csb-cnvqe-main.dno.corp.redhat.com/job/test-pytest-cnv-4.17-iuo-ocs/108/testReport/