Merge pull request #222 from xunit/dependabot/nuget/NSubstitute-4.2.2

Author: dependabot-preview[bot]

test/test.xunit.runner.visualstudio/test.xunit.runner.visualstudio.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NSubstitute" Version="4.2.1" />
+    <PackageReference Include="NSubstitute" Version="4.2.2" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.reporters" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />