chore: bump conf from 15.0.2 to 15.1.0

Bumps [conf](https://github.com/sindresorhus/conf) from 15.0.2 to 15.1.0.
- [Release notes](https://github.com/sindresorhus/conf/releases)
- [Commits](sindresorhus/conf@v15.0.2...v15.1.0)

---
updated-dependencies:
- dependency-name: conf
  dependency-version: 15.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]