chore(deps): update dependency postcss to ^8.4.38

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
postcss (source)	^8.4.21 -> ^8.4.38

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

postcss/postcss (postcss)

### [`v8.4.47`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8447) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.46...8.4.47) - Removed debug code. ### [`v8.4.46`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8446) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.45...8.4.46) - Fixed `Cannot read properties of undefined (reading 'before')`. ### [`v8.4.45`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8445) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.44...8.4.45) - Removed unnecessary fix which could lead to infinite loop. ### [`v8.4.44`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8444) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.43...8.4.44) - Another way to fix `markClean is not a function` error. ### [`v8.4.43`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8443) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.42...8.4.43) - Fixed `markClean is not a function` error. ### [`v8.4.42`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8442) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.41...8.4.42) - Fixed CSS syntax error on long minified files (by [@​varpstar](https://redirect.github.com/varpstar)). ### [`v8.4.41`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8441) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.40...8.4.41) - Fixed types (by [@​nex3](https://redirect.github.com/nex3) and [@​querkmachine](https://redirect.github.com/querkmachine)). - Cleaned up RegExps (by [@​bluwy](https://redirect.github.com/bluwy)). ### [`v8.4.40`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8440) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.39...8.4.40) - Moved to getter/setter in nodes types to help Sass team (by [@​nex3](https://redirect.github.com/nex3)). ### [`v8.4.39`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8439) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.38...8.4.39) - Fixed `CssSyntaxError` types (by [@​romainmenke](https://redirect.github.com/romainmenke)).

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