chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

packages/boutique/frontend/package.json

@@ -38,7 +38,7 @@
     "@vitejs/plugin-react-swc": "^3.11.0",
     "autoprefixer": "^10.4.21",
     "postcss": "^8.5.6",
-    "tailwindcss": "^3.4.18",
+    "tailwindcss": "^4.1.14",
     "typescript": "^5.9.3",
     "vite": "^5.4.20"
   }

packages/wallet/frontend/package.json

@@ -41,7 +41,7 @@
     "@types/react-dom": "18.3.7",
     "autoprefixer": "^10.4.21",
     "postcss": "^8.5.6",
-    "tailwindcss": "^3.4.18",
+    "tailwindcss": "^4.1.14",
     "typescript": "^5.9.3"
   }
 }