chore(package.json): pin down lint-staged pkg version
chore(package.json): pin down lint-staged pkg version

avoid regressions in latest pkg on windows

jayphelps/rxjs,martinsik/rxjs,Brocco/RxJS,RxJS-CN/RxJS-Docs-CN,martinsik/rxjs,ReactiveX/rxjs,benlesh/RxJS,ReactiveX/RxJS,RxJS-CN/RxJS-Docs-CN,ReactiveX/RxJS,SangKa/RxJS-Docs-CN,martinsik/rxjs,trxcllnt/RxJS,ReactiveX/rxjs,kwonoj/RxJS,kwonoj/RxJS,Brocco/RxJS,ReactiveX/RxJS,SangKa/RxJS-Docs-CN,RxJS-CN/RxJS-Docs-CN,jayphelps/rxjs,ReactiveX/rxjs,ReactiveX/rxjs,jayphelps/rxjs,ReactiveX/RxJS,martinsik/rxjs,kwonoj/RxJS,IgorMinar/RxJS,jayphelps/rxjs,IgorMinar/RxJS,Brocco/RxJS,trxcllnt/RxJS,kwonoj/RxJS,trxcllnt/RxJS,benlesh/RxJS,RxJS-CN/RxJS-Docs-CN,benlesh/RxJS,benlesh/RxJS,trxcllnt/RxJS,jayphelps/rxjs,Brocco/RxJS,SangKa/RxJS-Docs-CN,SangKa/RxJS-Docs-CN