Update dependency tailwindcss to v4

Author: renovate[bot]

packages/ui/package.json

@@ -31,7 +31,7 @@
     "svelte": "^3.55.0",
     "svelte-check": "^3.0.1",
     "svelte-preprocess": "^5.0.0",
-    "tailwindcss": "^3.0.15",
+    "tailwindcss": "^4.0.0",
     "tslib": "^2.0.0",
     "typescript": "^5.0.0"
   },