[UI v2] upgrade: Upgrades to tailwind 4

[devinvillarosa]

Updates to tailwind 4 following this guide: https://ui.shadcn.com/docs/tailwind-v4

Checklist

• This pull request references any related issue by including "closes <link to issue>"
  • If no issue exists and your change is not a small fix, please create an issue first.
• If this pull request adds new functionality, it includes unit tests that cover the changes
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Relates to #15512

[desertaxle]

Dialogs are a little bit wonky with new Tailwind

Screen.Recording.2025-01-29.at.11.21.32.AM.mov

[devinvillarosa]

Dialogs are a little bit wonky with new Tailwind

Screen.Recording.2025-01-29.at.11.21.32.AM.mov

I think it should be resolved now after following the shadcn guide and re-installing the updated component

[pleek91]

LGTM

[pleek91]

Should we switch from postcss to the vite plugin? Recommended by tailwind in their migration doc

https://tailwindcss.com/docs/upgrade-guide#using-vite

[devinvillarosa]

Should we switch from postcss to the vite plugin? Recommended by tailwind in their migration doc

https://tailwindcss.com/docs/upgrade-guide#using-vite

Thanks, I've added it in the latest push. For some reason the tailwind upgrade script didn't add it