semver with digits as pre-release not valid but should be

Viatorus

This should be a valid version: `0.0.0-002`. See https://godbolt.org/z/1a79c4ssa I think this PR fixed it a bit (https://github.com/Neargye/semver/pull/54), including leading AND trailing zeros but not entire.

Naratzul

Hi! According to https://semver.org/spec/v2.0.0.html string `0.0.0-002` is not a valid version. You can check it here https://regex101.com/r/vkijKf/1/