Tests: Update nuget packages

Author: badcel

src/WCharT.Net.Tests/WCharT.Net.Tests.csproj

@@ -8,8 +8,8 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.4.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.4.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.4.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.4.3" />
   </ItemGroup>
 
   <ItemGroup>