Upgrade Microsoft.AspNetCore.WebUtilities to 2.2.0 for netstandard2.0 (#358)

* Upgrade Microsoft.AspNetCore.WebUtilities to 2.2.0 for netstandard2.0 and netcoreapp2.1

* Mking the change only for netstandard2.0

Author: pragyamehta

src/KubernetesClient/KubernetesClient.csproj

@@ -31,7 +31,8 @@
     <PackageReference Include="Microsoft.AspNetCore.JsonPatch" Version="3.0.0" Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netcoreapp2.1'" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.0.50" PrivateAssets="all" />
     <PackageReference Include="Portable.BouncyCastle" Version="1.8.1.3" />
-    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="1.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="1.1.2" Condition="'$(TargetFramework)' != 'netstandard2.0'" />
+    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
     <PackageReference Include="Microsoft.Rest.ClientRuntime" Version="2.3.10" />
     <PackageReference Include="MSBuild.Sdk.Extras" Version="1.6.68" PrivateAssets="all" Condition="'$(MSBuildRuntimeType)' != 'Core'" />
     <PackageReference Include="Newtonsoft.Json" Version="9.0.1" Condition="'$(TargetFramework)' != 'netstandard2.0' and '$(TargetFramework)' != 'netcoreapp2.1'" />