build(deps): bump Microsoft.NETFramework.ReferenceAssemblies and MSTe…

…st.TestFramework

Bumps [Microsoft.NETFramework.ReferenceAssemblies](https://github.com/Microsoft/dotnet) and [MSTest.TestFramework](https://github.com/microsoft/testfx). These dependencies needed to be updated together.

Updates `Microsoft.NETFramework.ReferenceAssemblies` from 1.0.3 to 1.0.3
- [Commits](https://github.com/Microsoft/dotnet/commits)

Updates `MSTest.TestFramework` from 3.7.2 to 3.8.0
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.7.2...v3.8.0)

---
updated-dependencies:
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: MSTest.TestFramework
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

test/MdnsTests.csproj

@@ -21,7 +21,7 @@
 
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" PrivateAssets="all" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.2" PrivateAssets="all" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.7.2" PrivateAssets="all" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.8.0" PrivateAssets="all" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.4" PrivateAssets="all" />
   </ItemGroup>