Merge pull request #518 from System-IO-Abstractions/dependabot/nuget/Moq-4.13.1

Bump Moq from 4.13.0 to 4.13.1

Author: robkeim

System.IO.Abstractions.TestingHelpers.Tests/System.IO.Abstractions.TestingHelpers.Tests.csproj

@@ -42,7 +42,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' != 'net40'">
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
-    <PackageReference Include="Moq" Version="4.13.0" />
+    <PackageReference Include="Moq" Version="4.13.1" />
   </ItemGroup>
 
   <ItemGroup>