fix(deps): update tailwindcss to v4

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
     "solid-js": "1.9.4",
     "solid-markdown": "2.0.14",
     "tailwind-merge": "2.6.0",
-    "tailwindcss": "3.4.17",
+    "tailwindcss": "4.0.0",
     "tailwindcss-animate": "1.0.7"
   },
   "devDependencies": {