chore: restore script-generated banner in CONTRIBUTING.md

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: tadelesh

CONTRIBUTING.md

@@ -422,7 +422,7 @@ For now the guidance is to prioritize including documentation for TypeSpec users
 TypeSpec repo use labels to help categorize and manage issues and PRs. The following is a list of labels and their descriptions.
 
 <!-- LABEL GENERATED REF START -->
-<!-- DO NOT EDIT: This section is automatically generated by core/eng/common/scripts/labels/sync-labels.ts, update core/eng/common/config/labels.ts run pnpm sync-labels to update -->
+<!-- DO NOT EDIT: This section is automatically generated by eng/common/scripts/sync-labels.ts, update eng/common/config/labels.ts run pnpm sync-labels to update -->
 
 ### Labels reference