Bump nyc from 12.0.2 to 13.1.0

Bumps [nyc](https://github.com/istanbuljs/nyc) from 12.0.2 to 13.1.0.
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md)
- [Commits](istanbuljs/nyc@v12.0.2...v13.1.0)

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

Author: dependabot-support