fix: upgrade nyc from 15.0.0 to 15.0.1

Snyk has created this PR to upgrade nyc from 15.0.0 to 15.0.1.

See this package in NPM:
https://www.npmjs.com/package/nyc

See this project in Snyk:
https://app.snyk.io/org/codingtools/project/69f63852-fccf-4e2e-aeaf-6785477b4de5?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot