Enable NuGet Audit

NuGet.config

@@ -15,5 +15,9 @@
     <add key="dotnet10" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10/nuget/v3/index.json" />
     <add key="dotnet10-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10-transport/nuget/v3/index.json" />
   </packageSources>
+  <auditSources>
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+  </auditSources>
   <disabledPackageSources />
 </configuration>

eng/Versions.props

@@ -96,7 +96,7 @@
   </PropertyGroup>
   <!-- Test related -->
   <PropertyGroup>
-    <MoqPackageVersion>4.10.0</MoqPackageVersion>
+    <MoqPackageVersion>4.18.4</MoqPackageVersion>
     <FluentAssertionsVersion>6.11.0</FluentAssertionsVersion>
     <SystemComponentModelTypeConverterTestDataVersion>8.0.0-beta.23107.1</SystemComponentModelTypeConverterTestDataVersion>
     <SystemDrawingCommonTestDataVersion>8.0.0-beta.23107.1</SystemDrawingCommonTestDataVersion>