fix: upgrade negotiator from 0.6.3 to 0.6.4

Snyk has created this PR to upgrade negotiator from 0.6.3 to 0.6.4.

See this package in npm:
negotiator

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/c03db82c-9ee0-4dfb-b928-2edfe3fe7a5a?utm_source=github&utm_medium=referral&page=upgrade-pr

examples/app-dir-i18n-routing/package.json

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "@formatjs/intl-localematcher": "0.2.32",
-    "negotiator": "0.6.3",
+    "negotiator": "0.6.4",
     "next": "latest",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",