Bump next from 7.0.3 to 9.3.2

Bumps [next](https://github.com/zeit/next.js) from 7.0.3 to 9.3.2.
- [Release notes](https://github.com/zeit/next.js/releases)
- [Commits](vercel/next.js@7.0.3...v9.3.2)

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

Author: dependabot[bot]

package.json

@@ -48,7 +48,7 @@
     "imagemin-mozjpeg": "^8.0.0",
     "imagemin-optipng": "^6.0.0",
     "imagemin-svgo": "^7.0.0",
-    "next": "^7.0.1",
+    "next": "^9.3.2",
     "next-compose-plugins": "^2.1.1",
     "next-env": "^1.0.1",
     "next-optimized-images": "^1.4.1",