Aiofiles

- Import `os.link` conditionally to fix importing on android.
[175](https://github.com/Tinche/aiofiles/issues/175)
- Remove spurious items from `aiofiles.os.__all__` when running on Windows.
- Switch to more modern async idioms: Remove types.coroutine and make AiofilesContextManager an awaitable instead a coroutine.
- Add `aiofiles.os.path.abspath` and `aiofiles.os.getcwd`.
[174](https://github.com/Tinche/aiofiles/issues/181)
- _aiofiles_ is now tested on Python 3.13 too.
[184](https://github.com/Tinche/aiofiles/pull/184)
- Dropped Python 3.7 support. If you require it, use version 23.2.1.

- Import `os.statvfs` conditionally to fix importing on non-UNIX systems.
[171](https://github.com/Tinche/aiofiles/issues/171) [#172](https://github.com/Tinche/aiofiles/pull/172)
- aiofiles is now also tested on Windows.

- aiofiles is now tested on Python 3.12 too.
[166](https://github.com/Tinche/aiofiles/issues/166) [#168](https://github.com/Tinche/aiofiles/pull/168)
- On Python 3.12, `aiofiles.tempfile.NamedTemporaryFile` now accepts a `delete_on_close` argument, just like the stdlib version.
- On Python 3.12, `aiofiles.tempfile.NamedTemporaryFile` no longer exposes a `delete` attribute, just like the stdlib version.
- Added `aiofiles.os.statvfs` and `aiofiles.os.path.ismount`.
[162](https://github.com/Tinche/aiofiles/pull/162)
- Use [PDM](https://pdm.fming.dev/latest/) instead of Poetry.
[169](https://github.com/Tinche/aiofiles/pull/169)