Add Copilot review REST data

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

Author: obvioussean

content/rest/pulls/index.md

@@ -13,6 +13,7 @@ versions:
 children:
   - /pulls
   - /comments
+  - /copilot-review
   - /review-requests
   - /reviews
 autogenerated: rest