Bump nyc from 15.0.1 to 15.1.0
Bump nyc from 15.0.1 to 15.1.0

Bumps [nyc](https://github.com/istanbuljs/nyc) from 15.0.1 to 15.1.0.
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/istanbuljs/nyc/compare/v15.0.1...v15.1.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
wdullaer/raml2html-slate-theme