fixed readme files for swagger (#13015)

Co-authored-by: Akash Keshari <akkeshar@microsoft.com>

Author: akashkeshari

specification/hybridkubernetes/resource-manager/readme.csharp.md

@@ -12,7 +12,7 @@ csharp:
   clear-output-folder: true
   client-side-validation: false
   namespace: Microsoft.Kubernetes
-  output-folder: $(csharp-sdks-folder)/Kubernetes/Management.Kubernetes/Generated
+  output-folder: $(csharp-sdks-folder)/hybridkubernetes/Microsoft.Azure.Management.Kubernetes/src/Generated
 
 directive: 
   - reason: Altering the incorrect null check for required fields in an optional body in listClusterUserCredentials

specification/hybridkubernetes/resource-manager/readme.md

@@ -28,7 +28,7 @@ These are the global settings for the Kubernetes Connect RP.
 ```yaml
 openapi-type: arm
 openapi-subtype: rpaas
-tag: package-2020-01-01-preview
+tag: package-2021-03-01
 ```
 
 ### Tag: package-2020-01-01-preview