Bump MSTest.TestFramework from 3.4.1 to 3.4.3 (#419)

Bumps [MSTest.TestFramework](https://github.com/microsoft/testfx) from 3.4.1 to 3.4.3.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.4.1...v3.4.3)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Tests/Tests.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.4.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.4.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.4.3" />
 
     <PackageReference Include="coverlet.collector" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>