fix(package): update event-to-promise to version 0.8.0 (#827)
fix(package): update event-to-promise to version 0.8.0 (#827)

https://greenkeeper.io/
kumar303/web-ext,mozilla/web-ext,kumar303/web-ext,mozilla/web-ext,shubheksha/web-ext,rpl/web-ext,shubheksha/web-ext,rpl/web-ext