Update lodash due to vulnerability issue

Author: fmvilas

package-lock.json

@@ -51,7 +51,7 @@
     "handlebars": "^4.0.4",
     "js-yaml": "^3.10.0",
     "json-schema-ref-parser": "^4.0.4",
-    "lodash": "3.10.1",
+    "lodash": "^4.17.11",
     "markdown-it": "^8.4.2",
     "oas-validator": "^1.1.7",
     "openapi-sampler": "^1.0.0-beta.13",