chore(deps): update mstest monorepo to v4

Author: renovate[bot]

ArchUnitNET.MSTestV2Tests/ArchUnitNET.MSTestV2Tests.csproj

@@ -7,8 +7,8 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.10.4" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.10.4" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.0.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ArchUnitNET.MSTestV2\ArchUnitNET.MSTestV2.csproj" />