Bump config from 4.2.1 to 4.3.0 in the default group

Bumps the default group with 1 update: [config](https://github.com/node-config/node-config).


Updates `config` from 4.2.1 to 4.3.0
- [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@v4.2.1...v4.3.0)

---
updated-dependencies:
- dependency-name: config
  dependency-version: 4.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: default
...

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Author: dependabot[bot]