Log Message:
py-pygit2: updated to 1.13.3

1.13.3 (2023-11-21)

- New API for filters in Python
- Shallow repositories: New ``depth`` optional argument for
  ``clone_repository(...)`` and ``Remote.fetch(...)``
- New submodule ``init(...)``, ``update(...)`` and ``reload(...)`` functions
- Release GIL in ``Walker.__next__``
- Type hints for submodule functions in ``Repository``