Opt-in CPM for buildcheck template (#10607)

template_feed/content/Microsoft.CheckTemplate/Directory.Packages.props

@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+  </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.Build" Version="1.0.0-MicrosoftBuildPackageVersion" />
   </ItemGroup>
-</Project>
+</Project>