Update nyc requirement from ^12.0.1 to ^13.0.1 (#51)
Update nyc requirement from ^12.0.1 to ^13.0.1 (#51)

Updates the requirements on [nyc](https://github.com/istanbuljs/nyc) to permit the latest version.
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/istanbuljs/nyc/commits/v13.0.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
bdistin/fs-nextra