fix: upgrade js-yaml from 3.14.0 to 3.14.1

Snyk has created this PR to upgrade js-yaml from 3.14.0 to 3.14.1.

See this package in npm:
https://www.npmjs.com/package/js-yaml

See this project in Snyk:
https://app.snyk.io/org/postman/project/8519ba8e-6a7d-469a-88b3-7891b4c1c14e?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -42,7 +42,7 @@
     "eslint-plugin-mocha": "4.12.1",
     "eslint-plugin-security": "1.4.0",
     "istanbul": "0.4.5",
-    "js-yaml": "3.14.0",
+    "js-yaml": "3.14.1",
     "newman": "5.3.2",
     "jsdoc": "3.6.10",
     "mocha": "6.2.3",