build(deps-dev): bump tslint from 6.1.2 to 6.1.3 (#73)

Bumps [tslint](https://github.com/palantir/tslint) from 6.1.2 to 6.1.3.
- [Release notes](https://github.com/palantir/tslint/releases)
- [Changelog](https://github.com/palantir/tslint/blob/master/CHANGELOG.md)
- [Commits](palantir/tslint@6.1.2...6.1.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>