Update dependency autoprefixer to v10.4.20

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
autoprefixer	10.4.10 -> 10.4.20

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Release Notes

postcss/autoprefixer (autoprefixer)

### [`v10.4.20`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10420) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.19...10.4.20) - Fixed `fit-content` prefix for Firefox. ### [`v10.4.19`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10419) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.18...10.4.19) - Removed `end value has mixed support, consider using flex-end` warning since `end`/`start` now have good support. ### [`v10.4.18`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10418) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.17...10.4.18) - Fixed removing `-webkit-box-orient` on `-webkit-line-clamp` ([@​Goodwine](https://redirect.github.com/Goodwine)). ### [`v10.4.17`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10417) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.16...10.4.17) - Fixed `user-select: contain` prefixes. ### [`v10.4.16`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10416) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.15...10.4.16) - Improved performance (by Romain Menke). - Fixed docs (by Christian Oliff). ### [`v10.4.15`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10415) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.14...10.4.15) - Fixed `::backdrop` prefixes (by 一丝). - Fixed docs (by Christian Oliff). ### [`v10.4.14`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10414) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.13...10.4.14) - Improved startup time and reduced JS bundle size (by Kārlis Gaņģis). ### [`v10.4.13`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10413) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.12...10.4.13) - Fixed missed prefixes on vendor prefixes in name of CSS Custom Property. ### [`v10.4.12`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10412) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.11...10.4.12) - Fixed support of unit-less zero angle in backgrounds (by 一丝). ### [`v10.4.11`](https://redirect.github.com/postcss/autoprefixer/blob/HEAD/CHANGELOG.md#10411) [Compare Source](https://redirect.github.com/postcss/autoprefixer/compare/10.4.10...10.4.11) - Fixed `text-decoration` prefixes by moving to MDN data (by Romain Menke).

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Configuration

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