chore(dependencies): Update tslint requirement to ~5.9.1
chore(dependencies): Update tslint requirement to ~5.9.1

Updates the requirements on [tslint](https://github.com/palantir/tslint) to permit the latest version.
- [Release notes](https://github.com/palantir/tslint/releases)
- [Changelog](https://github.com/palantir/tslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/palantir/tslint/commits/5.9.1)
tomastrajan/angular-ngrx-material-starter,tomastrajan/angular-ngrx-material-starter,tomastrajan/angular-ngrx-material-starter,tomastrajan/angular-ngrx-material-starter