Update tailwindcss monorepo to v4.1.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@tailwindcss/postcss (source)	4.1.11 -> 4.1.12
tailwindcss (source)	4.1.11 -> 4.1.12

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Release Notes

tailwindlabs/tailwindcss (@​tailwindcss/postcss)

v4.1.12

Compare Source

Fixed

• Don't consider the global important state in @apply (#​18404)
• Add missing suggestions for flex-<number> utilities (#​18642)
• Fix trailing ) from interfering with extraction in Clojure keywords (#​18345)
• Detect classes inside Elixir charlist, word list, and string sigils (#​18432)
• Track source locations through @plugin and @config (#​18345)
• Allow boolean values of process.env.DEBUG in @tailwindcss/node (#​18485)
• Ignore consecutive semicolons in the CSS parser (#​18532)
• Center the dropdown icon added to an input with a paired datalist by default (#​18511)
• Extract candidates in Slang templates (#​18565)
• Improve error messages when encountering invalid functional utility names (#​18568)
• Discard CSS AST objects with false or undefined properties (#​18571)
• Allow users to disable URL rebasing in @tailwindcss/postcss via transformAssetUrls: false (#​18321)
• Fix false-positive migrations in addEventListener and JavaScript variable names (#​18718)
• Fix Standalone CLI showing default Bun help when run via symlink on Windows (#​18723)
• Read from --border-color-* theme keys in divide-* utilities for backwards compatibility (#​18704)
• Don't scan .hdr and .exr files for classes by default (#​18734)

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