Bump next from 9.5.2 to 9.5.4 in /serverlessComReactAndNext

Bumps [next](https://github.com/vercel/next.js) from 9.5.2 to 9.5.4.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v9.5.2...v9.5.4)

Signed-off-by: dependabot[bot] <support@github.com>

serverlessComReactAndNext/package.json

@@ -15,7 +15,7 @@
     "axios": "^0.21.1",
     "emotion-theming": "^10.0.27",
     "mongodb": "^3.6.4",
-    "next": "9.5.2",
+    "next": "9.5.4",
     "react": "16.13.1",
     "react-dom": "16.13.1"
   },