Enable NuGetAudit (#10734)

Author: YuliiaKovalova

NuGet.config

@@ -31,4 +31,10 @@
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>
+
+  <auditSources>
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+  </auditSources>
+
 </configuration>

eng/Packages.props

@@ -29,6 +29,7 @@
     <PackageVersion Include="System.Security.Principal.Windows" Version="$(SystemSecurityPrincipalWindowsVersion)" />
     <PackageVersion Include="System.Text.Encoding.CodePages" Version="$(SystemTextEncodingCodePagesVersion)" />
     <PackageVersion Include="System.Text.Json" Version="$(SystemTextJsonVersion)" />
+    <PackageVersion Include="System.Text.RegularExpressions" Version="$(SystemTextRegularExpressionsVersion)" />
     <PackageVersion Include="System.Threading.Channels" Version="$(SystemThreadingChannelsVersion)" />
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowVersion)" />
     <PackageVersion Include="xunit.console" Version="$(XUnitVersion)" />

eng/Versions.props

@@ -39,6 +39,7 @@
     <SystemResourcesExtensionsVersion>8.0.0</SystemResourcesExtensionsVersion>
     <SystemSecurityPrincipalWindowsVersion>5.0.0</SystemSecurityPrincipalWindowsVersion>
     <SystemTextEncodingCodePagesVersion>7.0.0</SystemTextEncodingCodePagesVersion>
+    <SystemTextRegularExpressionsVersion>4.3.1</SystemTextRegularExpressionsVersion>
     <SystemTextJsonVersion>8.0.4</SystemTextJsonVersion>
     <SystemThreadingChannelsVersion>8.0.0</SystemThreadingChannelsVersion>
     <SystemThreadingTasksDataflowVersion>8.0.0</SystemThreadingTasksDataflowVersion>