Update Purview .Net SDK drop location (#12857)

* Purview update network acls and patch API

* Update prettier

* Purview Manager Schemas

* Update dot net SDK drop location

* seperate PRs

Author: annoakes

specification/purview/resource-manager/readme.md

@@ -65,7 +65,7 @@ csharp:
   azure-arm: true
   license-header: MICROSOFT_MIT_NO_VERSION
   namespace: Microsoft.Azure.Management.Purview
-  output-folder: $(csharp-sdks-folder)/Purview/Management.Purview/Generated
+  output-folder: $(csharp-sdks-folder)/Purview/Microsoft.Azure.Management.Purview/Generated
   clear-output-folder: true
 ```