Enable Azure PowerShell CI for liftrqumulo (#22862)

Author: dolauli

specification/liftrqumulo/resource-manager/readme.md

@@ -63,6 +63,7 @@ swagger-to-sdk:
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-js
+  - repo: azure-powershell
   - repo: azure-resource-manager-schemas
   - repo: azure-cli-extensions
 ```