Update tailwindcss monorepo to ^4.2.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@tailwindcss/postcss (source)	^4.2.0 → ^4.2.2
tailwindcss (source)	^4.2.0 → ^4.2.2

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Release Notes

tailwindlabs/tailwindcss (@​tailwindcss/postcss)

v4.2.2

Compare Source

Fixed

• Don't crash when candidates contain prototype properties like row-constructor (#​19725)
• Canonicalize calc(var(--spacing)*…) expressions into --spacing(…) (#​19769)
• Fix crash in canonicalization step when handling utilities containing @property at-rules (e.g. shadow-sm border) (#​19727)
• Skip full reload for server only modules scanned by client CSS when using @tailwindcss/vite (#​19745)
• Add support for Vite 8 in @tailwindcss/vite (#​19790)
• Improve canonicalization for bare values exceeding default spacing scale suggestions (e.g. w-1234 h-1234 → size-1234) (#​19809)
• Fix canonicalization resulting in empty list (e.g. w-5 h-5 size-5 → '' instead of size-5) (#​19812)

v4.2.1

Compare Source

Fixed

• Allow trailing dash in functional utility names for backwards compatibility (#​19696)
• Properly detect classes containing . characters within curly braces in MDX files (#​19711)

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