Security Updates

Bump dot-prop from 4.2.0 to 4.2.1

Bumps [dot-prop](https://github.com/sindresorhus/dot-prop) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/sindresorhus/dot-prop/releases)
- [Commits](https://github.com/sindresorhus/dot-prop/compare/v4.2.0...v4.2.1)

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