build(deps): bump config from 3.3.7 to 3.3.9

Bumps [config](https://github.com/node-config/node-config) from 3.3.7 to 3.3.9.
- [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@v3.3.7...v3.3.9)

---
updated-dependencies:
- dependency-name: config
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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