chore(package): update css-loader to version 0.28.3 (#2464)
chore(package): update css-loader to version 0.28.3 (#2464)


tsl143/addons-frontend,kumar303/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,mozilla/addons-frontend,tsl143/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,aviarypl/mozilla-l10n-addons-frontend,aviarypl/mozilla-l10n-addons-frontend,tsl143/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,tsl143/addons-frontend,kumar303/addons-frontend