Address Puppeteer old Headless deprecation warning

[fniessink]

Puppeteer old Headless deprecation warning:�[0m�[33m
quality-time-renderer-1         |     In the near feature `headless: true` will default to the new Headless mode
quality-time-renderer-1         |     for Chrome instead of the old Headless implementation. For more
quality-time-renderer-1         |     information, please see https://developer.chrome.com/articles/new-headless/.
quality-time-renderer-1         |     Consider opting in early by passing `headless: "new"` to `puppeteer.launch()`
quality-time-renderer-1         |     If you encounter any bugs, please report them to https://github.com/puppeteer/puppeteer/issues/new/choose.�[0m