Update dependency filelock to v3.15.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
filelock	==3.15.3 -> ==3.15.4

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Release Notes

tox-dev/py-filelock (filelock)

### [`v3.15.4`](https://togithub.com/tox-dev/filelock/releases/tag/3.15.4) [Compare Source](https://togithub.com/tox-dev/py-filelock/compare/3.15.3...3.15.4) #### What's Changed - Pass `file_lock` as positional argument by [@​kwist-sgr](https://togithub.com/kwist-sgr) in [https://github.com/tox-dev/filelock/pull/347](https://togithub.com/tox-dev/filelock/pull/347) **Full Changelog**: https://github.com/tox-dev/filelock/compare/3.15.3...3.15.4

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