Bump MSTest.TestAdapter and MSTest.TestFramework

Bumps MSTest.TestAdapter from 2.2.3 to 4.0.2
Bumps MSTest.TestFramework from 2.2.3 to 4.0.2

---
updated-dependencies:
- dependency-name: MSTest.TestAdapter
  dependency-version: 4.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: MSTest.TestFramework
  dependency-version: 4.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

test/Altinn.Dan.Plugin.Digdir.Test/Altinn.Dan.Plugin.Digdir.Test.csproj

@@ -9,8 +9,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.3" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.0.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.0.2" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
   </ItemGroup>