npm_and_yarn in /ember for eslint-plugin-ember, eslint-plugin-n, eslint-plugin-prettier, eslint-plugin-qunit, prettier, stylelint, stylelint-prettier, stylelint-scss - Update #878526012

npm_and_yarn in /ember for eslint-plugin-ember, eslint-plugin-n, eslint-plugin-prettier, eslint-plugin-qunit, prettier, stylelint, stylelint-prettier, stylelint-scss - Update #878526012 #797