Update filelock to 3.3.1

[pyup-bot]

This PR updates filelock from 3.0.12 to 3.3.1.

Changelog

3.3.0

-------------------
- Drop python 2.7 and 3.5 support, add type hints :pr:`100` - by :user:`gaborbernat`
- Document asyncio support - by :user:`gaborbernat`
- fix typo :pr:`98` - by :user:`jugmac00`

3.2.1

-------------------
- Improve documentation
- Changed logger name from ``filelock._api`` to ``filelock`` :pr:`97` - by :user:`hkennyv`

3.2.0

-------------------
- Raise when trying to acquire in R/O or missing folder :pr:`96` - by :user:`gaborbernat`
- Move lock acquire/release log from INFO to DEBUG :pr:`95` - by :user:`gaborbernat`
- Fix spelling and remove ignored flake8 checks - by :user:`gaborbernat`
- Split main module :pr:`94` - by :user:`gaborbernat`
- Move test suite to pytest :pr:`93` - by :user:`gaborbernat`

3.1.0

-------------------
- Update links for new home at tox-dev :pr:`88` - by :user:`hugovk`
- Fixed link to LICENSE file :pr:`63` - by :user:`sharkwouter`
- Adopt tox-dev organization best practices :pr:`87` - by :user:`gaborbernat`
- Ownership moved from :user:`benediktschmitt` to the tox-dev organization (new primary maintainer :user:`gaborbernat`)

Links

• PyPI: https://pypi.org/project/filelock
• Changelog: https://pyup.io/changelogs/filelock/
• Repo: https://github.com/tox-dev/py-filelock/archive/main.zip