Mark shipping packages as stable for 9.9.1 release

Author: jeffhandley

eng/Versions.props

@@ -10,14 +10,14 @@
     <!--
         When StabilizePackageVersion is set to 'true', this branch will produce stable outputs for 'Shipping' packages
     -->
-    <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">false</StabilizePackageVersion>
+    <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">true</StabilizePackageVersion>
     <!--
         When DotNetFinalVersionKind is set to 'release' (only for the release branches),
         the build will produce stable outputs for 'Shipping' packages.
 
         This is used by the Arcade SDK (Publish.proj) to determine if the build is a release build or not.
       -->
-    <DotNetFinalVersionKind />
+    <DotNetFinalVersionKind>release</DotNetFinalVersionKind>
     <!-- Enabling this rule will cause build failures on undocumented public APIs. -->
     <SkipArcadeNoWarnCS1591>true</SkipArcadeNoWarnCS1591>
   </PropertyGroup>