Update XUnit.StaFact to latest stable (#13733)

Author: Youssef1313

eng/Versions.props

@@ -54,10 +54,7 @@
   <!-- Below have no corresponding entries in Versions.Details.XML because they are not updated via Maestro -->
   <!-- XUnit-related (not extensions) -->
   <PropertyGroup>
-    <!-- Temporary: Remove once https://github.com/dotnet/arcade/pull/15963 is merged and flows to VMR then to this repo -->
-    <XUnitV3Version>3.0.0</XUnitV3Version>
-    <XUnitRunnerVisualStudioVersion>3.1.0</XUnitRunnerVisualStudioVersion>
-    <XUnitStaFactPackageVersion>3.0.6-alpha</XUnitStaFactPackageVersion>
+    <XUnitStaFactPackageVersion>3.0.13</XUnitStaFactPackageVersion>
   </PropertyGroup>
   <!-- Test related -->
   <PropertyGroup>