chore(deps): update tailwindcss monorepo to ^4.1.8

Author: renovate[bot]

website/package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "@sanity/prettier-config": "^1.0.3",
     "@tailwindcss/forms": "^0.5.10",
-    "@tailwindcss/postcss": "^4.1.5",
+    "@tailwindcss/postcss": "^4.1.8",
     "@tailwindcss/typography": "^0.5.16",
     "babel-plugin-react-compiler": "beta",
     "eslint": "^9.25.1",
@@ -40,7 +40,7 @@
     "postcss": "^8.5.3",
     "prettier": "^3.5.3",
     "prettier-plugin-tailwindcss": "^0.6.11",
-    "tailwindcss": "^4.1.5",
+    "tailwindcss": "^4.1.8",
     "typescript": "5.8.3"
   },
   "packageManager": "[email protected]"