build(deps): bump validator from 0.18.1 to 0.19.0 (#130)

Bumps [validator](https://github.com/Keats/validator) from 0.18.1 to 0.19.0.
- [Changelog](https://github.com/Keats/validator/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Keats/validator/commits)

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

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Author: dependabot[bot]