Test required connectivity from OSD/ROSA cluster

Issue

• The OSD/ROSA cluster is in Limited Support status with a Network misconfiguration Service Log:

  Cluster is in Limited Support status and Red Hat requires you to take action. SRE has observed that there have been changes made to network configuration which impact normal working of the cluster: Route table rtb-xxxxx and rtb-yyyyy have been modified. Please revert changes.
  

  Your cluster requires you to take action. SRE has observed that there have been changes made to the network configuration which impacts normal working of the cluster, including lack of network egress to these internet-based resources which are required for the cluster operation and support: registry.access.redhat.com:443, route53domains.us-east-1.amazonaws.com:443, ec2.us-west-2.amazonaws.com:443, registry.redhat.io:443, mirror.openshift.com:443, api.access.redhat.com:443, among others.