Bump next from 8.1.0 to 9.3.2

Bumps [next](https://github.com/zeit/next.js) from 8.1.0 to 9.3.2.
- [Release notes](https://github.com/zeit/next.js/releases)
- [Commits](vercel/next.js@v8.1.0...v9.3.2)

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

package.json

@@ -32,7 +32,7 @@
     "@zeit/next-source-maps": "^0.0.4-canary.1",
     "dayjs": "^1.8.13",
     "get-youtube-id": "^1.0.1",
-    "next": "^8.1.0",
+    "next": "^9.3.2",
     "next-redux-saga": "^4.0.1",
     "next-redux-wrapper": "^3.0.0-alpha.1",
     "next-seo": "^1.11.2",