Bump MSTest.TestFramework from 3.8.2 to 3.8.3 (#25)

Bumps [MSTest.TestFramework](https://github.com/microsoft/testfx) from 3.8.2 to 3.8.3.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.8.2...v3.8.3)

---
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]

Directory.Packages.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup Label="Test dependencies">
-    <MSTestVersion>3.8.2</MSTestVersion>
+    <MSTestVersion>3.8.3</MSTestVersion>
     <MicrosoftNETTestSdkVersion>17.13.0</MicrosoftNETTestSdkVersion>
   </PropertyGroup>
 </Project>