docs(readme): update protractor version (#3378)
docs(readme): update protractor version (#3378)


jcapozzi/protractor,xaka/protractor,mgiambalvo/protractor,igniteram/protractor,NickTomlin/protractor,cnishina/protractor,Everworks/protractor,angular/protractor,sirwalt/protractor,fancyhejianyang/protractor-operation,fancyhejianyang/protractor-operation,fancyhejianyang/protractor-operation,xaka/protractor,Everworks/protractor,manoj9788/protractor,Everworks/protractor,jcapozzi/protractor,jcapozzi/protractor,NickTomlin/protractor,NickTomlin/protractor,manoj9788/protractor,angular/protractor,onshape/protractor,marleitao/protractor,igniteram/protractor,mgiambalvo/protractor,NickTomlin/protractor,marleitao/protractor,fancyhejianyang/protractor-operation,angular/protractor,Everworks/protractor,sirwalt/protractor,onshape/protractor,onshape/protractor,marleitao/protractor,igniteram/protractor,manoj9788/protractor,sirwalt/protractor,xaka/protractor,cnishina/protractor,cnishina/protractor,igniteram/protractor,xaka/protractor,mgiambalvo/protractor,manoj9788/protractor,cnishina/protractor,onshape/protractor,sirwalt/protractor,angular/protractor,jcapozzi/protractor,marleitao/protractor,mgiambalvo/protractor