fix: bump intlify/h3 and utilts

package.json

@@ -76,8 +76,8 @@
     }
   },
   "dependencies": {
-    "@intlify/h3": "^0.4.2",
-    "@intlify/utils": "^0.11.1",
+    "@intlify/h3": "^0.5.0",
+    "@intlify/utils": "^0.12.0",
     "@intlify/shared": "^9.8.0",
     "@intlify/unplugin-vue-i18n": "^1.4.0",
     "@nuxt/kit": "^3.7.4",

playground/localeDetector.ts

@@ -3,17 +3,17 @@ import type { H3Event } from 'h3'
 // Detect based on query, cookie or header
 // not using `getXLocale` functions as they return `en-US` by default if no locale is found
 export default function (event: H3Event): string {
-  const query = getQuery(event)
-  if (query?.locale != null && typeof query.locale === 'string') {
-    return query.locale
+  const query = tryQueryLocale(event)
+  if (query) {
+    return query.toString()
   }
 
-  const cookie = getCookie(event, 'i18n_locale')
+  const cookie = tryCookieLocale(event, { name: 'i18n_locale' })
   if (cookie) {
     return cookie.toString()
   }
 
-  const header = getHeader(event, 'Accept-Language')
+  const header = tryHeaderLocale(event)
   if (header) {
     return header.toString()
   }