build(deps-dev): bump postcss from 8.4.21 to 8.4.31

[dependabot]

Bumps postcss from 8.4.21 to 8.4.31.

Release notes

Sourced from postcss's releases.

8.4.31

• Fixed \r parsing to fix CVE-2023-44270.

8.4.30

• Improved source map performance (by @​romainmenke).

8.4.29

• Fixed Node#source.offset (by @​idoros).
• Fixed docs (by @​coliff).

8.4.28

• Fixed Root.source.end for better source map (by @​romainmenke).
• Fixed Result.root types when process() has no parser.

8.4.27

• Fixed Container clone methods types.

8.4.26

• Fixed clone methods types.

8.4.25

• Improve stringify performance (by @​romainmenke).
• Fixed docs (by @​vikaskaliramna07).

8.4.24

• Fixed Plugin types.

8.4.23

• Fixed warnings in TypeDoc.

8.4.22

• Fixed TypeScript support with node16 (by @​remcohaszing).

Changelog

Sourced from postcss's changelog.

8.4.31

• Fixed \r parsing to fix CVE-2023-44270.

8.4.30

• Improved source map performance (by Romain Menke).

8.4.29

• Fixed Node#source.offset (by Ido Rosenthal).
• Fixed docs (by Christian Oliff).

8.4.28

• Fixed Root.source.end for better source map (by Romain Menke).
• Fixed Result.root types when process() has no parser.

8.4.27

• Fixed Container clone methods types.

8.4.26

• Fixed clone methods types.

8.4.25

• Improve stringify performance (by Romain Menke).
• Fixed docs (by @​vikaskaliramna07).

8.4.24

• Fixed Plugin types.

8.4.23

• Fixed warnings in TypeDoc.

8.4.22

• Fixed TypeScript support with node16 (by Remco Haszing).

Commits

• 90208de Release 8.4.31 version
• 58cc860 Fix carrier return parsing
• 4fff8e4 Improve pnpm test output
• cd43ed1 Update dependencies
• caa916b Update dependencies
• 8972f76 Typo
• 11a5286 Typo
• 45c5501 Release 8.4.30 version
• bc3c341 Update linter
• b2be58a Merge pull request #1881 from romainmenke/improve-sourcemap-performance--phil...
• Additional commits viewable in compare view

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[bdsqqq]

superseded by #17, merged as 2dfd977570f1770ffd06179271482330bae1cc3a. the replacement updates the complete development toolchain rather than one stale transitive version; its ci audit, lint, typecheck, tests, and package build all passed. a post-merge graphql query reports 0 open vulnerability alerts. closing this partial update.

[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.