Update commit hashes in sync typeshed script (#14720)

#14719 fixed some merge conflicts

Author: hauntsaninja

Diff for: misc/sync-typeshed.py

@@ -179,9 +179,9 @@ def main() -> None:
     print("Created typeshed sync commit.")
 
     commits_to_cherry_pick = [
-        "820c46a4d75ec5f6dc95c09845a317ff59c4b4bf",  # LiteralString reverts
-        "af7604de58c4c4952fd51a7556a6c56466113010",  # sum reverts
-        "fe40f814387fc671ba0cc679453b01eabeb7c112",  # ctypes reverts
+        "874afd970",  # LiteralString reverts
+        "3a240111e",  # sum reverts
+        "f968d6ce0",  # ctypes reverts
     ]
     for commit in commits_to_cherry_pick:
         subprocess.run(["git", "cherry-pick", commit], check=True)