fix: package.json to reduce vulnerabilities
fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:qs:20170213

Latest report for redwerks/mediawiki-extensionservice:
https://snyk.io/test/github/redwerks/mediawiki-extensionservice
redwerks/mediawiki-extensionservice,redwerks/mediawiki-extensionservice