Bump next from 6.1.1 to 9.3.2 in /reactjs

Bumps [next](https://github.com/zeit/next.js) from 6.1.1 to 9.3.2.
- [Release notes](https://github.com/zeit/next.js/releases)
- [Commits](vercel/next.js@6.1.1...v9.3.2)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

reactjs/package.json

@@ -8,7 +8,7 @@
     "bootstrap": "^4.1.2",
     "compression": "^1.7.3",
     "express": "^4.16.3",
-    "next": "^6.1.1",
+    "next": "^9.3.2",
     "next-redux-saga": "^3.0.0-beta.1",
     "next-redux-wrapper": "^2.0.0",
     "next-routes": "^1.4.2",