Update dependency tailwindcss to v4

Author: renovate[bot]

web/package.json

@@ -32,7 +32,7 @@
     "eslint-plugin-prettier": "^5.2.6",
     "eslint-plugin-unused-imports": "^3.2.0",
     "postcss": "^8.5.3",
-    "tailwindcss": "^3.4.17",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5.8.3"
   },
   "packageManager": "pnpm@9.12.1+sha512.e5a7e52a4183a02d5931057f7a0dbff9d5e9ce3161e33fa68ae392125b79282a8a8a470a51dfc8a0ed86221442eb2fb57019b0990ed24fab519bf0e1bc5ccfc4"