chore(deps-dev): bump predis/predis from 2.3.0 to 2.4.0 (#263)

Bumps [predis/predis](https://github.com/predis/predis) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/predis/predis/releases)
- [Changelog](https://github.com/predis/predis/blob/v2.x/CHANGELOG.md)
- [Commits](predis/predis@v2.3.0...v2.4.0)

---
updated-dependencies:
- dependency-name: predis/predis
  dependency-version: 2.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]