Merge pull request #28605 from dotnet/marcpopMSFT-codeqlservicing

Enable codeql in servicing

Author: marcpopMSFT

.vsts-ci.yml

@@ -26,6 +26,8 @@ variables:
   - ${{ if ne(variables['System.TeamProject'], 'public') }}:
     - name: _DotNetPublishToBlobFeed
       value: true
+    - name: Codeql.Enabled
+      value: true
     - group: DotNetBuilds storage account read tokens
     - name: _InternalRuntimeDownloadArgs
       value: /p:DotNetRuntimeSourceFeed=https://dotnetbuilds.blob.core.windows.net/internal