build(deps): Bump MSTest.TestFramework from 3.1.1 to 3.2.0 (#327)

Author: dependabot[bot]

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageVersion Include="Microsoft.TestPlatform.TestHost" Version="17.8.0" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.2.0" />
-    <PackageVersion Include="MSTest.TestFramework" Version="3.1.1" />
+    <PackageVersion Include="MSTest.TestFramework" Version="3.2.0" />
     <PackageVersion Include="NUnit" Version="4.0.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="3.10.0" />