Update KubernetesConfiguration for api version 2021-03-01 (#18707)

* Update .Net SDK with api version 2021-03-01

* Add assembly info to kubernetesconfiguration

* Fix test recordings file

* Update generated files

eng/mgmt/mgmtmetadata/kubernetesconfiguration_resource-manager.txt

@@ -3,12 +3,12 @@ AutoRest installed successfully.
 Commencing code generation
 Generating CSharp code
 Executing AutoRest command
-cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/kubernetesconfiguration/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --opt-in-extensible-enums --csharp-sdks-folder=D:\Git\azure-sdk-for-net\sdk
-2020-04-21 21:30:32 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/kubernetesconfiguration/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=C:\Users\joinnis\github\azure-sdk-for-net\sdk
+2021-02-12 01:11:10 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      cda732a85c755cf7b4e86477a6d6f92d856d6ad6
+Commit:      e6a4cb677ad0d3b5567ae98024b7c7d360469393
 AutoRest information
 Requested version: v2
 Bootstrapper version:    autorest@2.0.4413

sdk/kubernetesconfiguration/Microsoft.Azure.Management.KubernetesConfiguration/AzSdk.RP.props

@@ -1,7 +1,7 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!--This file and it's contents are updated at build time moving or editing might result in build failure. Take due deligence while editing this file-->
   <PropertyGroup>
-    <AzureApiTag>KubernetesConfiguration_2019-11-01-preview;</AzureApiTag>
+    <AzureApiTag>KubernetesConfiguration_2021-03-01;</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>