fix: upgrade command-line-usage from 6.1.1 to 6.1.3
fix: upgrade command-line-usage from 6.1.1 to 6.1.3

Snyk has created this PR to upgrade command-line-usage from 6.1.1 to 6.1.3.

See this package in npm:
https://www.npmjs.com/package/command-line-usage

See this project in Snyk:
https://app.snyk.io/org/jochenwierum/project/19268424-5664-4362-8eab-8bdeb86d85bd?utm_source=github&utm_medium=referral&page=upgrade-pr
cologneintelligence/reveal.js-remote,cologneintelligence/reveal.js-remote