fix: project/p6-docman-app/client/package.json & project/p6-docman-app/client/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BABELTRAVERSE-5962462
- https://snyk.io/vuln/npm:debug:20170905

Author: snyk-bot