chore(deps): update mstest monorepo to v3

Author: renovate[bot]

ArchUnitNET.MSTestV2Tests/ArchUnitNET.MSTestV2Tests.csproj

@@ -10,8 +10,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.3" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
   </ItemGroup>
 
   <ItemGroup>