Refactor code transformation scripts from ast to libcst (#35)

* Initial plan

* Refactor AST-based code to use libcst for better code transformation

Co-authored-by: jason810496 <[email protected]>

* Fix: only wrap call expressions in await, not literals

Co-authored-by: jason810496 <[email protected]>

* Ask whether to apply change

* Apply missing async methods

* Correct files for check-sync-async-method-for-queue pre-commit

* Add check for operation as well

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: jason810496 <[email protected]>
Co-authored-by: LIU ZHE YOU <[email protected]>

Author: Copilot

.pre-commit-config.yaml

@@ -13,4 +13,10 @@ repos:
       - id: check-sync-async-method-for-queue
         name: Check sync/async method for queue
         entry: ./scripts/ci/pre_commit/check_sync_async_method_for_queue.py
+        files: ^pgmq_sqlalchemy/.*\.py$
+        language: python
+      - id: check-sync-async-method-for-operation
+        name: Check sync/async method for operation
+        entry: ./scripts/ci/pre_commit/check_sync_async_method_for_operation.py
+        files: ^pgmq_sqlalchemy/.*\.py$
         language: python