Bump Moq from 4.20.70 to 4.20.71 in /src (#213)

src/Directory.Packages.props

@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="27.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-    <PackageVersion Include="Moq" Version="4.20.70" />
+    <PackageVersion Include="Moq" Version="4.20.71" />
     <PackageVersion Include="Polyfill" Version="6.5.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.134" />
     <PackageVersion Include="Verify" Version="26.3.1" />