🏗 Optimize `gulp update-packages` on Travis (#14845)
🏗 Optimize `gulp update-packages` on Travis (#14845)


prateekbh/amphtml,danielrozenberg/amphtml,koshka/amphtml,media-net/amphtml,taboola/amphtml,pedjoni8/amphtml,honeybadgerdontcare/amphtml,chaveznvg/amphtml,pedjoni8/amphtml,chaveznvg/amphtml,BenDz/amphtml,adup-tech/amphtml,voyagegroup/amphtml,dotandads/amphtml,bpaduch/amphtml,yandex-pcode/amphtml,jpettitt/amphtml,jmadler/amphtml,rsimha-amp/amphtml,sebastianbenz/amphtml,yieldbot/amphtml,yandex-pcode/amphtml,yieldbot/amphtml,adup-tech/amphtml,taboola/amphtml,luciancrasovan/amphtml,lannka/amphtml,yandex-pcode/amphtml,sharethrough/amphtml,dotandads/amphtml,tlong2/amphtml,cory-work/amphtml,prateekbh/amphtml,cory-work/amphtml,danielrozenberg/amphtml,chaveznvg/amphtml,cvializ/amphtml,taboola/amphtml,yieldbot/amphtml,laterpay/amphtml,jmadler/amphtml,alanorozco/amphtml,kamtschatka/amphtml,src-code/amphtml,techhtml/amphtml,kamtschatka/amphtml,rsimha-amp/amphtml,yandex-pcode/amphtml,koshka/amphtml,cory-work/amphtml,yandex-pcode/amphtml,src-code/amphtml,lannka/amphtml,zhangsu/amphtml,danielrozenberg/amphtml,ampproject/amphtml,alanorozco/amphtml,sebastianbenz/amphtml,bpaduch/amphtml,taboola/amphtml,bpaduch/amphtml,lannka/amphtml,dotandads/amphtml,ampproject/amphtml,BenDz/amphtml,bpaduch/amphtml,mhc-gh/amphtml,sharethrough/amphtml,tlong2/amphtml,media-net/amphtml,voyagegroup/amphtml,luciancrasovan/amphtml,Gregable/amphtml,zhouyx/amphtml,sebastianbenz/amphtml,cory-work/amphtml,sebastianbenz/amphtml,src-code/amphtml,laterpay/amphtml,danielrozenberg/amphtml,jmadler/amphtml,koshka/amphtml,nexxtv/amphtml,sharethrough/amphtml,zhangsu/amphtml,zhouyx/amphtml,alanorozco/amphtml,jridgewell/amphtml,media-net/amphtml,voyagegroup/amphtml,aghassemi/amphtml,smartadserver/amphtml,adup-tech/amphtml,lannka/amphtml,cory-work/amphtml,yandex-pcode/amphtml,alanorozco/amphtml,dotandads/amphtml,sebastianbenz/amphtml,jpettitt/amphtml,luciancrasovan/amphtml,kamtschatka/amphtml,media-net/amphtml,ampproject/amphtml,zhangsu/amphtml,techhtml/amphtml,widespace-os/amphtml,Gregable/amphtml,widespace-os/amphtml,zhouyx/amphtml,zhouyx/amphtml,zhangsu/amphtml,adup-tech/amphtml,prateekbh/amphtml,Gregable/amphtml,nexxtv/amphtml,widespace-os/amphtml,BenDz/amphtml,jmadler/amphtml,jpettitt/amphtml,jpettitt/amphtml,taboola/amphtml,src-code/amphtml,mhc-gh/amphtml,nexxtv/amphtml,tlong2/amphtml,bpaduch/amphtml,danielrozenberg/amphtml,smartadserver/amphtml,voyagegroup/amphtml,jridgewell/amphtml,danielrozenberg/amphtml,sebastianbenz/amphtml,smartadserver/amphtml,aghassemi/amphtml,prateekbh/amphtml,jridgewell/amphtml,ampproject/amphtml,koshka/amphtml,danielrozenberg/amphtml,alanorozco/amphtml,laterpay/amphtml,cvializ/amphtml,bpaduch/amphtml,yandex-pcode/amphtml,techhtml/amphtml,laterpay/amphtml,zhouyx/amphtml,honeybadgerdontcare/amphtml,sharethrough/amphtml,sharethrough/amphtml,erwinmombay/amphtml,zhouyx/amphtml,yieldbot/amphtml,mhc-gh/amphtml,techhtml/amphtml,cvializ/amphtml,pedjoni8/amphtml,cvializ/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,media-net/amphtml,cvializ/amphtml,nexxtv/amphtml,ampproject/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,erwinmombay/amphtml,luciancrasovan/amphtml,adup-tech/amphtml,rsimha-amp/amphtml,ampproject/amphtml,lannka/amphtml,pedjoni8/amphtml,Gregable/amphtml,aghassemi/amphtml,tlong2/amphtml,ampproject/amphtml,danielrozenberg/amphtml,jmadler/amphtml,luciancrasovan/amphtml,jpettitt/amphtml,BenDz/amphtml,media-net/amphtml,prateekbh/amphtml,smartadserver/amphtml,erwinmombay/amphtml,aghassemi/amphtml,dotandads/amphtml,Gregable/amphtml,src-code/amphtml,nexxtv/amphtml,jridgewell/amphtml,BenDz/amphtml,sharethrough/amphtml,nexxtv/amphtml,techhtml/amphtml,honeybadgerdontcare/amphtml,kamtschatka/amphtml,adup-tech/amphtml,taboola/amphtml,widespace-os/amphtml,ampproject/amphtml,pedjoni8/amphtml,cvializ/amphtml,luciancrasovan/amphtml,smartadserver/amphtml,zhouyx/amphtml,mhc-gh/amphtml,erwinmombay/amphtml,jridgewell/amphtml,tlong2/amphtml,jpettitt/amphtml,cory-work/amphtml,luciancrasovan/amphtml,bpaduch/amphtml,koshka/amphtml,rsimha-amp/amphtml,kamtschatka/amphtml,cory-work/amphtml,jridgewell/amphtml,voyagegroup/amphtml,techhtml/amphtml,mhc-gh/amphtml,pedjoni8/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,aghassemi/amphtml,chaveznvg/amphtml,nexxtv/amphtml,jridgewell/amphtml,rsimha-amp/amphtml,BenDz/amphtml,alanorozco/amphtml,prateekbh/amphtml,yieldbot/amphtml,widespace-os/amphtml,jpettitt/amphtml,chaveznvg/amphtml,chaveznvg/amphtml,rsimha-amp/amphtml,laterpay/amphtml,smartadserver/amphtml,kamtschatka/amphtml,alanorozco/amphtml,taboola/amphtml,jmadler/amphtml,lannka/amphtml,mhc-gh/amphtml,erwinmombay/amphtml,tlong2/amphtml,rsimha-amp/amphtml,laterpay/amphtml,media-net/amphtml,erwinmombay/amphtml,zhangsu/amphtml,yieldbot/amphtml,dotandads/amphtml,jpettitt/amphtml,alanorozco/amphtml,aghassemi/amphtml,zhangsu/amphtml,honeybadgerdontcare/amphtml,media-net/amphtml,koshka/amphtml,voyagegroup/amphtml,src-code/amphtml,voyagegroup/amphtml,mhc-gh/amphtml,widespace-os/amphtml,mhc-gh/amphtml,prateekbh/amphtml,lannka/amphtml