Update Next to Next 11.

Hopefully this doesn't break eveerything.

Author: EvieePy

mystbin/frontend/package.json

@@ -24,7 +24,7 @@
     "flux": "^4.0.1",
     "http-proxy": "^1.18.1",
     "install": "^0.13.0",
-    "next": "10.0.1",
+    "next": "11",
     "react": "17.0.1",
     "react-bootstrap": "^2.5.0",
     "react-dom": "17.0.1",