Chore: upgrade to tailwind v4 (#4863)

package.json

@@ -44,7 +44,7 @@
   },
   "devDependencies": {
     "@tailwindcss/forms": "^0.5.10",
-    "autoprefixer": "^10.4.20",
+    "@tailwindcss/postcss": "^4.0.9",
     "eslint": "^9.21.0",
     "eslint-config-next": "^15.1.7",
     "eslint-config-prettier": "^10.0.2",
@@ -55,8 +55,8 @@
     "eslint-plugin-react-hooks": "^5.1.0",
     "postcss": "^8.5.2",
     "prettier": "^3.5.2",
-    "tailwind-scrollbar": "^3.1.0",
-    "tailwindcss": "^3.4.17",
+    "tailwind-scrollbar": "^4.0.1",
+    "tailwindcss": "^4.0.9",
     "typescript": "^5.7.3"
   },
   "optionalDependencies": {