fix: upgrade react-dom from 18.2.0 to 18.3.1

Snyk has created this PR to upgrade react-dom from 18.2.0 to 18.3.1.

See this package in npm:
react-dom

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/0b5526cd-23ab-4885-bc8e-6a6e935a112f?utm_source=github&utm_medium=referral&page=upgrade-pr

examples/app-dir-mdx/package.json

@@ -13,7 +13,7 @@
     "@types/react-dom": "18.0.10",
     "next": "latest",
     "react": "18.2.0",
-    "react-dom": "18.2.0",
+    "react-dom": "18.3.1",
     "typescript": "4.9.5"
   }
 }