chore(package.json): fixed commitizen adapter path
chore(package.json): fixed commitizen adapter path

and also bumped commitizen's version
fixed #1691

jayphelps/rxjs,adrianomelo/RxJS-1,robwormald/RxJS,robwormald/RxJS,ReactiveX/RxJS,IgorMinar/RxJS,SangKa/RxJS-Docs-CN,benlesh/RxJS,adrianomelo/RxJS-1,trxcllnt/RxJS,SangKa/RxJS-Docs-CN,benlesh/RxJS,martinsik/rxjs,Brocco/RxJS,figueredo/RxJS,adrianomelo/RxJSNext,figueredo/RxJS,kwonoj/RxJS,RxJS-CN/RxJS-Docs-CN,SangKa/RxJS-Docs-CN,Brocco/RxJS,adrianomelo/RxJSNext,elliotschi/rxjs,adrianomelo/RxJS-1,saneyuki/RxJS,gluck/RxJS,saneyuki/RxJS,elliotschi/rxjs,adrianomelo/RxJSNext,jayphelps/rxjs,ReactiveX/RxJS,RxJS-CN/RxJS-Docs-CN,benlesh/RxJS,benlesh/RxJS,trxcllnt/RxJS,kwonoj/RxJS,RxJS-CN/RxJS-Docs-CN,jayphelps/rxjs,jayphelps/rxjs,trxcllnt/RxJS,ReactiveX/RxJS,Brocco/RxJS,ReactiveX/RxJS,elliotschi/rxjs,gluck/RxJS,ReactiveX/rxjs,SangKa/RxJS-Docs-CN,trxcllnt/RxJS,robwormald/RxJS,staltz/RxJSNext,kwonoj/RxJS,ReactiveX/rxjs,elliotschi/rxjs,staltz/RxJSNext,Brocco/RxJS,martinsik/rxjs,jayphelps/rxjs,martinsik/rxjs,ReactiveX/rxjs,staltz/RxJSNext,staltz/RxJSNext,IgorMinar/RxJS,adrianomelo/RxJSNext,figueredo/RxJS,gluck/RxJS,gluck/RxJS,figueredo/RxJS,ReactiveX/rxjs,martinsik/rxjs,kwonoj/RxJS,robwormald/RxJS,adrianomelo/RxJS-1,RxJS-CN/RxJS-Docs-CN