build(deps-dev): bump depcheck from 1.4.3 to 1.4.6

Bumps [depcheck](https://github.com/depcheck/depcheck) from 1.4.3 to 1.4.6.
- [Release notes](https://github.com/depcheck/depcheck/releases)
- [Changelog](https://github.com/depcheck/depcheck/blob/main/CHANGELOG.md)
- [Commits](https://github.com/depcheck/depcheck/compare/1.4.3...v1.4.6)

---
updated-dependencies:
- dependency-name: depcheck
  dependency-type: direct:development
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>