fix(deps): update dependency next to v16

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "babel-plugin-istanbul": "5.2.0",
     "isomorphic-unfetch": "3.1.0",
-    "next": "9.5.5",
+    "next": "16.0.1",
     "react": "16.14.0",
     "react-dom": "16.14.0"
   },