Update devDependencies

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cssnano	6.0.2 -> 6.0.3
open-props	1.6.16 -> 1.6.17
postcss (source)	8.4.32 -> 8.4.33

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Release Notes

cssnano/cssnano (cssnano)

### [`v6.0.3`](https://togithub.com/cssnano/cssnano/releases/tag/cssnano%406.0.3): v6.0.3 [Compare Source](https://togithub.com/cssnano/cssnano/compare/cssnano@6.0.2...cssnano@6.0.3) ##### Bug fixes - do not sort unknown properties\\ #### Other - Require latest browserslist and postcss-selector-parser

argyleink/open-props (open-props)

### [`v1.6.17`](https://togithub.com/argyleink/open-props/compare/c66b477db66d5aa749c2ded8427779f67d6e20c1...7c1b3ca7f6ccb96753df7b89dbb1abdc66f678cf) [Compare Source](https://togithub.com/argyleink/open-props/compare/c66b477db66d5aa749c2ded8427779f67d6e20c1...7c1b3ca7f6ccb96753df7b89dbb1abdc66f678cf)

postcss/postcss (postcss)

### [`v8.4.33`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8433) [Compare Source](https://togithub.com/postcss/postcss/compare/8.4.32...8.4.33) - Fixed `NoWorkResult` behavior difference with normal mode (by Romain Menke). - Fixed `NoWorkResult` usage conditions (by [@​ahmdammarr](https://togithub.com/ahmdammarr)).

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