Update dependency next to v11 [SECURITY]

Author: renovate-bot

package.json

@@ -26,7 +26,7 @@
     "gatsby": "2.20.10",
     "koa": "2.11.0",
     "lodash": "4.17.15",
-    "next": "9.3.4",
+    "next": "11.1.3",
     "next-build-id": "3.0.0",
     "next-compose-plugins": "2.2.0",
     "next-routes": "1.4.2",