fix: upgrade @contentstack/utils from 1.3.13 to 1.3.14

Snyk has created this PR to upgrade @contentstack/utils from 1.3.13 to 1.3.14.

See this package in npm:
@contentstack/utils

See this project in Snyk:
https://app.snyk.io/org/contentstack-devex/project/ade506e8-b348-4d8d-a8ce-8dfcb6f9fc39?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -99,7 +99,7 @@
     "webpack-node-externals": "^3.0.0"
   },
   "dependencies": {
-    "@contentstack/utils": "^1.3.12",
+    "@contentstack/utils": "^1.3.14",
     "cheerio": "^1.0.0",
     "es6-promise": "^4.2.8",
     "fetch-mock": "^11.1.5",