Update dependency autoprefixer to v9.7.5

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
autoprefixer	dependencies	patch	9.7.4 -> 9.7.5

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Release Notes

postcss/autoprefixer

### [`v9.7.5`](https://togithub.com/postcss/autoprefixer/blob/master/CHANGELOG.md#​975) [Compare Source](https://togithub.com/postcss/autoprefixer/compare/9.7.4...9.7.5) - Fix `-webkit-stretch` support.

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