Merge branch 'maintenance/update-dependencies' into develop

Updated to latest version of Microsoft's Test SDK and Framework. Reran unit tests to confirm everything continues to operate correctly. As this only impacts the unit test projects, this has no impact on consumers of the NuGet packages.

Author: JeremyCaney

OnTopic.AspNetCore.Mvc.Tests/OnTopic.AspNetCore.Mvc.Tests.csproj

@@ -11,9 +11,9 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.1" />
   </ItemGroup>
 
   <ItemGroup>

OnTopic.Tests/OnTopic.Tests.csproj

@@ -11,9 +11,9 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.1" />
   </ItemGroup>
 
   <ItemGroup>