fix: upgrade @fetch-mock/jest from 0.2.15 to 0.2.16

Snyk has created this PR to upgrade @fetch-mock/jest from 0.2.15 to 0.2.16.

See this package in npm:
@fetch-mock/jest

See this project in Snyk:
https://app.snyk.io/org/sunil-lakshman/project/c6925ec7-da6d-430a-a674-23c77f22d451?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -101,7 +101,7 @@
   },
   "dependencies": {
     "@contentstack/utils": "^1.3.20",
-    "@fetch-mock/jest": "^0.2.15",
+    "@fetch-mock/jest": "^0.2.16",
     "es6-promise": "^4.2.8",
     "fetch-mock": "^12.5.2",
     "localStorage": "1.0.4",