fix: update lodash because of "a potential security vulnerability"

Author: DimitarTachev

npm-shrinkwrap.json

@@ -50,7 +50,7 @@
     "istextorbinary": "2.2.1",
     "jimp": "0.2.28",
     "lockfile": "1.0.3",
-    "lodash": "4.17.10",
+    "lodash": "4.17.11",
     "log4js": "1.0.1",
     "marked": "0.5.1",
     "marked-terminal": "3.1.1",