chore(deps): update tailwindcss to v4.0.0-beta.9 (v3)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@​tailwindcss/postcss	4.0.0-beta.8 -> 4.0.0-beta.9
@​tailwindcss/vite	4.0.0-beta.8 -> 4.0.0-beta.9
tailwindcss (source)	4.0.0-beta.8 -> 4.0.0-beta.9

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Release Notes

tailwindlabs/tailwindcss (tailwindcss)

v4.0.0-beta.9

Compare Source

Added

• Add @tailwindcss/browser package to run Tailwind CSS in the browser (#​15558)
• Add @reference "…" API as a replacement for the previous @import "…" reference option (#​15565)
• Add support for defining functional utilities in CSS (#​15455)
• Add new --spacing(…), --alpha(…), and --theme(…) CSS functions (#​15572)
• Add musl-based Linux builds of the standalone CLI (#​15567)
• Improve performance of internal AST manipulations (#​15529)

Fixed

• Use the correct property value for place-content-between, place-content-around, and place-content-evenly utilities (#​15440)
• Don’t detect arbitrary properties when preceded by an escape (#​15456)
• Fix incorrectly named bg-round and bg-space utilities to bg-repeat-round to bg-repeat-space (#​15462)
• Fix inset-shadow-* suggestions in IntelliSense (#​15471)
• Only compile arbitrary values ending in ] (#​15503)
• Ensure @apply rules are processed in the correct order (#​15542)
• Allow negative utility names in @utility (#​15573)
• Remove all @keyframes contributed by JavaScript plugins when using @reference imports (#​15581)
• Upgrade (experimental): Do not extract class names from functions (e.g. shadow in filter: 'drop-shadow(…)') (#​15566)
• Upgrade (experimental): Migrate theme(spacing.2) to --spacing(2) (#​15579)
• Upgrade (experimental): Migrate theme(…) to --theme(…) (#​15579)

Changed

• Remove --container-prose in favor of a deprecated --max-width-prose theme variable so that *-prose is only available for max-width utilities and only for backward compatibility (#​15439)
• Use Vite post-processor APIs for processing Svelte <style> blocks (#​15436)

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