Update network-requirements.md

added packages.microsoft.com URL to required URLs

Author: alt-key

articles/azure-arc/resource-bridge/includes/network-requirements.md

@@ -25,6 +25,7 @@ The firewall and proxy URLs below must be allowlisted in order to enable communi
 |Log collection for Arc Resource Bridge| 443 | `linuxgeneva-microsoft.azurecr.io`| Appliance VM IPs and Control Plane IP need outbound connection. | Push logs for Appliance managed components.|
 |Resource bridge components download| 443 | `kvamanagementoperator.azurecr.io`| Appliance VM IPs and Control Plane IP need outbound connection. | Required to pull artifacts for Appliance managed components.|
 |Microsoft Container Registry| 443 | `https://mcr.microsoft.com`| Management machine, Appliance VM IPs and Control Plane IP need outbound connection. | Download container images for Arc Resource Bridge.|
+|Microsoft open source packages manager| 443 | `packages.microsoft.com`| Appliance VM IPs need outbound connection. | Download Linux installation package.|
 |Custom Locations| 443 | `sts.windows.net`| Appliance VM IPs and Control Plane IP need outbound connection. | Required for use by the Custom Locations cluster extension.|
 |Python package| 443 | `*.pypi.org`| Management machine needs outbound connection. | Validate Kubernetes and Python versions.|
 |Azure CLI| 443 | `*.pythonhosted.org`| Management machine needs outbound connection. | Python packages for Azure CLI installation.|