UPSTREAM: <drop> : make update

Skip service LoadBalancer for UDP protocol on platform type External as
it is permanent failure on OpenShift clusters triggered by
openshift/conformance suite.

The following tests are affected by the skip:

~~~
[sig-network] LoadBalancers [Feature:LoadBalancer] should be able to preserve UDP traffic when server pod cycles for a LoadBalancer service on the same nodes [Skipped:alibabacloud] [Skipped:aws] [Skipped:baremetal] [Skipped:ibmcloud] [Skipped:kubevirt] [Skipped:nutanix] [Skipped:openstack] [Skipped:ovirt] [Skipped:vsphere] [Suite:openshift/conformance/parallel] [Suite:k8s]

[sig-network] LoadBalancers [Feature:LoadBalancer] should be able to preserve UDP traffic when server pod cycles for a LoadBalancer service on different nodes [Skipped:alibabacloud] [Skipped:aws] [Skipped:baremetal] [Skipped:ibmcloud] [Skipped:kubevirt] [Skipped:nutanix] [Skipped:openstack] [Skipped:ovirt] [Skipped:vsphere] [Suite:openshift/conformance/parallel] [Suite:k8s]
~~~

https://issues.redhat.com/browse/OCPBUGS-53249

Added to other platform type on:
https://issues.redhat.com/browse/OCPBUGS-38840

Author: mtulio