Update qunit to 2.10.0 and puppeteer to 3.1.0, see https://github.com/phetsims/chipper/issues/947
Update qunit to 2.10.0 and puppeteer to 3.1.0, see https://github.com/phetsims/chipper/issues/947

phetsims/scenery-phet,phetsims/scenery-phet,phetsims/scenery-phet