Update dependency platformdirs to v3.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
platformdirs	3.5.3 -> 3.6.0

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Release Notes

platformdirs/platformdirs

### [`v3.6.0`](https://togithub.com/platformdirs/platformdirs/releases/tag/3.6.0) [Compare Source](https://togithub.com/platformdirs/platformdirs/compare/3.5.3...3.6.0) #### What's Changed - platformdirs: introduce user_downloads_dir() by [@​cofiem](https://togithub.com/cofiem) in [https://github.com/platformdirs/platformdirs/pull/192](https://togithub.com/platformdirs/platformdirs/pull/192) #### New Contributors - [@​cofiem](https://togithub.com/cofiem) made their first contribution in [https://github.com/platformdirs/platformdirs/pull/192](https://togithub.com/platformdirs/platformdirs/pull/192) **Full Changelog**: https://github.com/platformdirs/platformdirs/compare/3.5.3...3.6.0

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