Merge pull request #87142 from mletalie/OSDOCS-13125

[OSDOCS-13125][OSD-GCP] Update the documentation for constraints/compute.vmExternalIpAccess in "Required customer procedure"

Author: bmcelvee

modules/ccs-gcp-customer-procedure.adoc

@@ -19,7 +19,7 @@ To use {product-title} in your GCP project, the following GCP organizational pol
 * `constraints/iam.allowedPolicyMemberDomains` (This policy constraint is supported only if Red Hat's `DIRECTORY_CUSTOMER_IDs C02k0l5e8` and `C04j7mbwl` are included in the allow list. Use this policy constraint with caution).
 * `constraints/compute.restrictLoadBalancerCreationForTypes`
 * `constraints/compute.requireShieldedVm` (This policy constraint is supported only if the cluster is installed with "Enable Secure Boot support for Shielded VMs" selected during the initial cluster creation).
-* `constraints/compute.vmExternalIpAccess` (This policy constraint is supported only after installation).
+* `constraints/compute.vmExternalIpAccess` (This policy constraint is supported when installing a private cluster with GCP Private Service Connect (PSC). For all other cases, this policy constraint is supported only after installation).
 ====
 
 .Procedure