Update dependency uglify-js to v3.7.7 (#13406)
Update dependency uglify-js to v3.7.7 (#13406)

Co-authored-by: WhiteSource Renovate <4e3adfceaad659ebdd3c586014a0b3732b1fa93f@gmail.com>

diox/olympia,eviljeff/olympia,wagnerand/addons-server,diox/olympia,mozilla/addons-server,eviljeff/olympia,bqbn/addons-server,mozilla/olympia,bqbn/addons-server,mozilla/addons-server,mozilla/olympia,mozilla/addons-server,mozilla/olympia,wagnerand/addons-server,wagnerand/addons-server,diox/olympia,bqbn/addons-server,mozilla/addons-server,wagnerand/addons-server,eviljeff/olympia,diox/olympia,mozilla/olympia,eviljeff/olympia,bqbn/addons-server