Bump MSTest.TestFramework from 3.5.2 to 3.6.4

Bumps [MSTest.TestFramework](https://github.com/microsoft/testfx) from 3.5.2 to 3.6.4.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.5.2...v3.6.4)

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

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

Minio.Functional.Tests/Minio.Functional.Tests.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest.TestFramework" Version="3.5.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
     <PackageReference Include="SharpZipLib" Version="1.4.2" />
     <ProjectReference Include="..\Minio\Minio.csproj" />
   </ItemGroup>

Minio.Tests/Minio.Tests.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.5.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.5.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <ProjectReference Include="..\Minio\Minio.csproj" />
   </ItemGroup>