Update Nuget referecnes for Test Project & Playground (Site) Project

Author: Warren Buckley

Our.Umbraco.TagHelpers.Playground/Our.Umbraco.TagHelpers.Playground.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Umbraco.Cms" Version="9.0.1" />
+        <PackageReference Include="Umbraco.Cms" Version="9.1.0" />
     </ItemGroup>
 
 

Our.Umbraco.TagHelpers.Tests/Our.Umbraco.TagHelpers.Tests.csproj

@@ -9,10 +9,13 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc.ViewFeatures" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Razor" Version="2.2.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
-    <PackageReference Include="NUnit" Version="3.13.1" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
-    <PackageReference Include="coverlet.collector" Version="3.0.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
+    <PackageReference Include="NUnit" Version="3.13.2" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.1.0" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
   <ItemGroup>