fix: upgrade @types/react-dom from 18.0.10 to 18.2.15

Snyk has created this PR to upgrade @types/react-dom from 18.0.10 to 18.2.15.

See this package in npm:
https://www.npmjs.com/package/@types/react-dom

See this project in Snyk:
https://app.snyk.io/org/sammyfilly/project/5c60a725-830a-4d3c-9c83-caecf941fa5a?utm_source=github&utm_medium=referral&page=upgrade-pr

examples/app-dir-mdx/package.json

@@ -10,7 +10,7 @@
     "@types/mdx": "2.0.3",
     "@types/node": "18.11.18",
     "@types/react": "18.0.27",
-    "@types/react-dom": "18.0.10",
+    "@types/react-dom": "18.2.15",
     "next": "latest",
     "react": "18.2.0",
     "react-dom": "18.2.0",