chore(deps): revert @nuxt/icon upgrade

Author: benjamincanac

package.json

@@ -44,7 +44,7 @@
     "@headlessui/tailwindcss": "^0.2.2",
     "@headlessui/vue": "^1.7.23",
     "@iconify-json/heroicons": "^1.2.2",
-    "@nuxt/icon": "^2.0.0",
+    "@nuxt/icon": "^1.15.0",
     "@nuxt/kit": "^4.0.3",
     "@nuxtjs/color-mode": "^3.5.2",
     "@nuxtjs/tailwindcss": "^6.14.0",