Shortned the LS message to make it clearer

Shorten the limited support message to reduce the noise
and provide direct action items for the user.
Added a link to the documentation for egress check
to enable customer to verify the egress configuration.

Prompt:
make the selected sentence shorter, polite professional.
It is long and I it needs to be easy to understand
that the action is to check the URLs causing the issue with
the guide provided

Signed-off-by: Petr Kotas <[email protected]>
Co-authored-by: Gemini Chat

Author: petrkotas

pkg/investigations/chgm/chgm.go

@@ -29,7 +29,7 @@ var (
 
 	egressLS = ocm.LimitedSupportReason{
 		Summary: "Cluster is in Limited Support due to unsupported cloud provider configuration",
-		Details: "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 internet-based resources which are required for the cluster operation and support. Please revert changes, and refer to documentation regarding firewall requirements for PrivateLink clusters: https://access.redhat.com/documentation/en-us/red_hat_openshift_service_on_aws/4/html/prepare_your_environment/rosa-sts-aws-prereqs#osd-aws-privatelink-firewall-prerequisites_rosa-sts-aws-prereqs#",
+		Details: "Action required: Network configuration changes detected that block required internet egress, impacting cluster operation and support. Please revert these changes. For firewall requirements for PrivateLink clusters, see: https://access.redhat.com/documentation/en-us/red_hat_openshift_service_on_aws/4/html/prepare_your_environment/rosa-sts-aws-prereqs#osd-aws-privatelink-firewall-prerequisites_rosa-sts-aws-prereqs and to determine broken URLs, see: https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/networking/rosa-network-verification_ingress-node-firewall-operator",
 	}
 )