chore(deps): update tailwindcss monorepo to v4.1.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@tailwindcss/postcss (source)	4.1.7 -> 4.1.8
tailwindcss (source)	4.1.7 -> 4.1.8

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Release Notes

tailwindlabs/tailwindcss (@​tailwindcss/postcss)

v4.1.8

Compare Source

Added

• Improve error messages when @apply fails (#​18059)

Fixed

• Upgrade: Do not migrate declarations that look like candidates in <style> blocks (#​18057, 18068)
• Upgrade: Don't error when looking for tailwindcss in pnpm monorepos (#​18065)
• Upgrade: Don't error when updating dependencies in pnpm monorepos (#​18065)
• Upgrade: Migrate deprecated order-none to order-0 (#​18126)
• Support Leptos class: attributes when extracting classes (#​18093)
• Fix "Cannot read properties of undefined" crash on malformed arbitrary value (#​18133)
• Upgrade: Migrate -mt-[0px] to mt-[0px] instead of the other way around (#​18154)
• Fix Haml pre-processing crash when there is no \n at the end of the file (#​18155)
• Ignore .pnpm-store folders by default (can be overridden by @source … rules) (#​18163)
• Fix PostCSS crash when calling toJSON() (#​18083)

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