Updates for SHR domains with ghe.com (#61339)

Signed-off-by: Collin McNeese <collinmcneese@github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Laura Coursen <lecoursen@github.com>

Author: 3 people

content/actions/reference/runners/self-hosted-runners.md

@@ -88,7 +88,7 @@ Autoscaling allows you to dynamically adjust the number of self-hosted runners b
 
 For more information, see [AUTOTITLE](/actions/hosting-your-own-runners/managing-self-hosted-runners-with-actions-runner-controller/about-actions-runner-controller) and [AUTOTITLE](/actions/hosting-your-own-runners/managing-self-hosted-runners-with-actions-runner-controller/about-support-for-actions-runner-controller).
 
-### {% data variables.product.prodname_actions %} Runner Scale Set Client 
+### {% data variables.product.prodname_actions %} Runner Scale Set Client
 
 The {% data variables.product.prodname_actions %} Runner Scale Set Client is a standalone Go-based module that empowers platform teams, integrators, and infrastructure providers to build custom autoscaling solutions for {% data variables.product.prodname_actions %} runners across VMs, containers, on-premise infrastructure, and cloud services, with support for Windows, Linux, and macOS platforms.
 

data/reusables/actions/runner-essential-communications.md

@@ -1,3 +1,10 @@
+{% ifversion ghec %}
+
+> [!NOTE]
+> If you use {% data variables.enterprise.data_residency %}, your runners must communicate with additional hostnames beyond those listed below. For the complete network requirements, see [AUTOTITLE](/admin/data-residency/network-details-for-ghecom).
+
+{% endif %}
+
 **Needed for essential operations:**
 
 ```shell copy