chore(package): update addons-linter to version 0.15.5
chore(package): update addons-linter to version 0.15.5

https://greenkeeper.io/
kumar303/olympia,mozilla/addons-server,bqbn/addons-server,lavish205/olympia,kumar303/addons-server,mozilla/olympia,wagnerand/olympia,harikishen/addons-server,Revanth47/addons-server,tsl143/addons-server,tsl143/addons-server,mozilla/addons-server,eviljeff/olympia,eviljeff/olympia,Revanth47/addons-server,kumar303/olympia,psiinon/addons-server,mstriemer/addons-server,bqbn/addons-server,psiinon/addons-server,kumar303/olympia,wagnerand/addons-server,harry-7/addons-server,wagnerand/olympia,aviarypl/mozilla-l10n-addons-server,mozilla/olympia,harikishen/addons-server,diox/olympia,psiinon/addons-server,atiqueahmedziad/addons-server,aviarypl/mozilla-l10n-addons-server,lavish205/olympia,diox/olympia,mozilla/olympia,aviarypl/mozilla-l10n-addons-server,mstriemer/addons-server,mstriemer/addons-server,mozilla/addons-server,mozilla/olympia,kumar303/addons-server,harry-7/addons-server,wagnerand/olympia,kumar303/olympia,harikishen/addons-server,tsl143/addons-server,bqbn/addons-server,lavish205/olympia,mozilla/addons-server,mstriemer/olympia,wagnerand/olympia,mstriemer/addons-server,Revanth47/addons-server,harry-7/addons-server,atiqueahmedziad/addons-server,atiqueahmedziad/addons-server,aviarypl/mozilla-l10n-addons-server,tsl143/addons-server,eviljeff/olympia,mstriemer/olympia,harikishen/addons-server,diox/olympia,diox/olympia,mstriemer/olympia,psiinon/addons-server,lavish205/olympia,wagnerand/addons-server,eviljeff/olympia,kumar303/addons-server,mstriemer/olympia,atiqueahmedziad/addons-server,kumar303/addons-server,wagnerand/addons-server,harry-7/addons-server,bqbn/addons-server,Revanth47/addons-server,wagnerand/addons-server