next-updater has upgraded 5 dependencies

Hi!

I have upgraded dependencies to the latest non-breaking versions

    check-types -> 1.4.0
    semver -> 4.2.0
    grunt-nice-package -> 0.9.2
    gt -> 0.8.47
    pre-git -> 0.1.1

Truly yours, [next-updater](https://github.com/bahmutov/next-updater)