Upgrade node version used by travis (#13234)
Upgrade node version used by travis (#13234)


nycdotnet/DefinitelyTyped,georgemarshall/DefinitelyTyped,psnider/DefinitelyTyped,benliddicott/DefinitelyTyped,abbasmhd/DefinitelyTyped,martinduparc/DefinitelyTyped,smrq/DefinitelyTyped,johan-gorter/DefinitelyTyped,progre/DefinitelyTyped,martinduparc/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,markogresak/DefinitelyTyped,rolandzwaga/DefinitelyTyped,mcliment/DefinitelyTyped,schmuli/DefinitelyTyped,YousefED/DefinitelyTyped,QuatroCode/DefinitelyTyped,martinduparc/DefinitelyTyped,scriby/DefinitelyTyped,pocesar/DefinitelyTyped,progre/DefinitelyTyped,AgentME/DefinitelyTyped,benishouga/DefinitelyTyped,arusakov/DefinitelyTyped,isman-usoh/DefinitelyTyped,zuzusik/DefinitelyTyped,mcrawshaw/DefinitelyTyped,alexdresko/DefinitelyTyped,zuzusik/DefinitelyTyped,ashwinr/DefinitelyTyped,AgentME/DefinitelyTyped,psnider/DefinitelyTyped,abbasmhd/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,minodisk/DefinitelyTyped,jimthedev/DefinitelyTyped,aciccarello/DefinitelyTyped,hellopao/DefinitelyTyped,isman-usoh/DefinitelyTyped,scriby/DefinitelyTyped,shlomiassaf/DefinitelyTyped,borisyankov/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,YousefED/DefinitelyTyped,amir-arad/DefinitelyTyped,magny/DefinitelyTyped,georgemarshall/DefinitelyTyped,benishouga/DefinitelyTyped,use-strict/DefinitelyTyped,arusakov/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,hellopao/DefinitelyTyped,dsebastien/DefinitelyTyped,sledorze/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,pocesar/DefinitelyTyped,pocesar/DefinitelyTyped,micurs/DefinitelyTyped,aciccarello/DefinitelyTyped,zuzusik/DefinitelyTyped,schmuli/DefinitelyTyped,jimthedev/DefinitelyTyped,schmuli/DefinitelyTyped,alvarorahul/DefinitelyTyped,QuatroCode/DefinitelyTyped,nycdotnet/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,aciccarello/DefinitelyTyped,AgentME/DefinitelyTyped,smrq/DefinitelyTyped,mcrawshaw/DefinitelyTyped,chrootsu/DefinitelyTyped,magny/DefinitelyTyped,chrismbarr/DefinitelyTyped,arusakov/DefinitelyTyped,johan-gorter/DefinitelyTyped,jimthedev/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,alexdresko/DefinitelyTyped,rolandzwaga/DefinitelyTyped,psnider/DefinitelyTyped,AgentME/DefinitelyTyped,benishouga/DefinitelyTyped,hellopao/DefinitelyTyped,dsebastien/DefinitelyTyped,minodisk/DefinitelyTyped,one-pieces/DefinitelyTyped,borisyankov/DefinitelyTyped,alvarorahul/DefinitelyTyped,chrootsu/DefinitelyTyped,use-strict/DefinitelyTyped,chrismbarr/DefinitelyTyped,subash-a/DefinitelyTyped,ashwinr/DefinitelyTyped,shlomiassaf/DefinitelyTyped,subash-a/DefinitelyTyped,sledorze/DefinitelyTyped