dep: Update mstest monorepo to 3.9.3 (#184)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

UnitTest/UnitTest.csproj

@@ -8,8 +8,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.9.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.9.2" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.9.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.9.3" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" PrivateAssets="all" />
   </ItemGroup>