chore(deps): update dependency lodash to v4.17.21 [security]

Author: renovate-bot

package-lock.json

@@ -150,7 +150,7 @@
     "fs-extra": "8.1.0",
     "graphql-json-schema": "0.1.2",
     "inquirer": "6.5.0",
-    "lodash": "4.17.15",
+    "lodash": "4.17.21",
     "pkginfo": "0.4.1",
     "typescript-parser": "2.6.1",
     "winston": "3.2.1"