Bump next from 9.2.1 to 9.3.2 in /packages/client

Bumps [next](https://github.com/vercel/next.js) from 9.2.1 to 9.3.2.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v9.2.1...v9.3.2)

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

packages/client/package.json

@@ -18,7 +18,7 @@
     "date-fns": "^2.17.0",
     "highlight.js": "^9.18.1",
     "mime-types": "^2.1.26",
-    "next": "9.2.1",
+    "next": "9.3.2",
     "next-page-transitions": "^1.0.0-beta.2",
     "nprogress": "^0.2.0",
     "react": "16.12.0",