chore(repos): exclude unrelated snapshot formatting drift

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

Author: SamMorrowDrums

pkg/github/__toolsnaps__/merge_pull_request.snap

@@ -61,4 +61,4 @@
     "type": "object"
   },
   "name": "merge_pull_request"
-}
+}