updates isbot dependency to newest version

Author: nwoodward

package-lock.json

@@ -139,7 +139,7 @@
     "filesize": "^6.1.0",
     "http-proxy-middleware": "^1.0.5",
     "http-terminator": "^3.2.0",
-    "isbot": "^3.6.10",
+    "isbot": "^5.1.17",
     "js-cookie": "2.2.1",
     "js-yaml": "^4.1.0",
     "json5": "^2.2.3",

package.json

@@ -27,7 +27,7 @@ import * as expressStaticGzip from 'express-static-gzip';
 /* eslint-enable import/no-namespace */
 import axios from 'axios';
 import LRU from 'lru-cache';
-import isbot from 'isbot';
+import { isbot } from 'isbot';
 import { createCertificate } from 'pem';
 import { createServer } from 'https';
 import { json } from 'body-parser';