Bump the default group across 1 directory with 2 updates

Bumps the default group with 2 updates in the / directory: [config](https://github.com/node-config/node-config) and [nyc](https://github.com/istanbuljs/nyc).


Updates `config` from 4.4.0 to 4.4.1
- [Release notes](https://github.com/node-config/node-config/releases)
- [Changelog](https://github.com/node-config/node-config/blob/master/History.md)
- [Commits](node-config/node-config@v4.4.0...v4.4.1)

Updates `nyc` from 17.1.0 to 18.0.0
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/main/CHANGELOG.md)
- [Commits](istanbuljs/nyc@nyc-v17.1.0...nyc-v18.0.0)

---
updated-dependencies:
- dependency-name: config
  dependency-version: 4.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: default
- dependency-name: nyc
  dependency-version: 18.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: default
...

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Author: dependabot[bot]