fix: upgrade chai from 4.3.6 to 4.3.7 (#657)

Snyk has created this PR to upgrade chai from 4.3.6 to 4.3.7.

See this package in npm:
https://www.npmjs.com/package/chai

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

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
Co-authored-by: Ankit Saini <ankitsaininitjsr@gmail.com>
Co-authored-by: Ankit Saini <ankit.saini@postman.com>

Author: 4 people