Update botocore to 1.13.20 (#12900)
Update botocore to 1.13.20 (#12900)

Update botocore to 1.13.20
mozilla/olympia,mozilla/addons-server,wagnerand/addons-server,eviljeff/olympia,bqbn/addons-server,mozilla/olympia,diox/olympia,mozilla/addons-server,diox/olympia,mozilla/olympia,eviljeff/olympia,bqbn/addons-server,wagnerand/addons-server,mozilla/olympia,eviljeff/olympia,mozilla/addons-server,mozilla/addons-server,diox/olympia,diox/olympia,eviljeff/olympia,bqbn/addons-server,wagnerand/addons-server,wagnerand/addons-server,bqbn/addons-server