fix(package): update watchpack to version 1.2.0 (#718)
fix(package): update watchpack to version 1.2.0 (#718)

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