Update lxml from 4.3.4 to 4.4.0 (#11945)
Update lxml from 4.3.4 to 4.4.0 (#11945)


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