Update dependency postcss to ^8.4.34

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "autoprefixer": "^10.4.17",
     "nuxt": "^3.9.3",
     "nuxt-icon": "^0.6.8",
-    "postcss": "^8.4.33",
+    "postcss": "^8.4.34",
     "prettier": "^3.2.5",
     "tailwindcss": "^3.4.1"
   },