fix: package.json & package-lock.json to reduce vulnerabilities (#4773)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JSZIP-1251497

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
Co-authored-by: Fred Boyle <fredboyle@users.noreply.github.com>

Author: 3 people