fix(deps): update dependency next to v9 [security]

Author: renovate-bot

packages/web/package.json

@@ -48,7 +48,7 @@
     "helmet": "3.13.0",
     "isomorphic-unfetch": "2.1.1",
     "morgan": "1.9.0",
-    "next": "6.1.1",
+    "next": "9.3.2",
     "next-routes": "1.4.2",
     "prop-types": "15.6.2",
     "ramda": "0.25.0",