chore(repo): Update dependency tailwindcss to v4

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "eslint-config-next": "15.3.4",
     "postcss": "^8.5.3",
     "prettier": "^3.5.3",
-    "tailwindcss": "^3.4.17",
+    "tailwindcss": "^4.0.0",
     "turbo": "^2.5.3",
     "typescript": "^5.8.3"
   },