build(deps): bump postcss from 8.4.21 to 8.4.22

Created by: dependabot[bot]

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Bumps postcss from 8.4.21 to 8.4.22.

Release notes

Sourced from postcss's releases.

8.4.22

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

Changelog

Sourced from postcss's changelog.

8.4.22

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

Commits

• 7de4860 Release 8.4.22 version
• a9a157a Merge pull request #1815 from remcohaszing/fix-types
• 98de266 Revert unwanted changes
• 4947e3b Fix broken test
• bda836a Remove intermediate classes for default exports
• d33810c Merge branch 'main' into fix-types
• c6dd496 Update dependencies
• c85028b Fix old pnpm on CI
• a2c432e Lock pnpm and fix Node.js 14 support
• becf414 Merge pull request #1832 from remcohaszing/update-pnpm
• Additional commits viewable in compare view

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