Merge pull request #306384 from msftadam/patch-53910

Add update instructions for AOSM CLI extension

Author: JamesJBarnett

articles/operator-service-manager/concepts-about-azure-operator-service-manager-cli.md

@@ -27,6 +27,31 @@ The Azure CLI AOSM Extension provides a convenient, simplified interface for pub
 
 - **Optimized for initial testing** - The CLI builds AOSM resources which are optimized for simplicity and for accelerating the publish, deploy, test feedback loop.
 
+## Updating the Azure Operator Service Manager CLI extension
+
+In most cases, take updates from the generally available release pipeline using the following command;
+```powershell
+az extension update --name aosm 
+```
+
+In some cases, Microsoft may advise taking select updates from the preview release pipeline using the following command:
+```powershell
+az extension update --name aosm --allow-preview true 
+```
+
+To confirm the installed CLI extension version use the following command:
+```powershell
+az --version
+```
+
+Check the output of the above command for the `aosm` row:
+```powershell
+----------------------------------------
+...
+aosm                             2.0.0b3
+...
+```
+
 ## Next Steps
 
 - Use the Azure CLI AOSM Extension to onboard an example [CNF](quickstart-containerized-network-function-prerequisites.md) or [VNF](quickstart-virtualized-network-function-prerequisites.md).