fix(security): Bump djv from 2.1.2 to 2.1.4 (#220)

Bumps [djv](https://github.com/korzio/djv) from 2.1.2 to 2.1.4.
- [Release notes](https://github.com/korzio/djv/releases)
- [Changelog](https://github.com/korzio/djv/blob/master/CHANGELOG.md)
- [Commits](https://github.com/korzio/djv/commits)

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