build(deps-dev): bump @tailwindcss/postcss from 4.2.1 to 4.2.2 in /web

[dependabot]

Bumps @tailwindcss/postcss from 4.2.1 to 4.2.2.

Release notes

Sourced from @​tailwindcss/postcss's releases.

v4.2.2

Added

• Support Vite 8 in @tailwindcss/vite (#19790)

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)
• 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)

Changelog

Sourced from @​tailwindcss/postcss's changelog.

[4.2.2] - 2026-03-18

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)

Commits

• d596b0c 4.2.2 (#19821)
• faa5e88 Cleanup inconsistencies related to (regex) escapes (#19804)
• See full diff in compare view

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