Bump goodeggs-test-helpers from 6.1.1 to 6.4.0
Bump goodeggs-test-helpers from 6.1.1 to 6.4.0

Bumps [goodeggs-test-helpers](https://github.com/goodeggs/goodeggs-test-helpers) from 6.1.1 to 6.4.0.
- [Release notes](https://github.com/goodeggs/goodeggs-test-helpers/releases)
- [Changelog](https://github.com/goodeggs/goodeggs-test-helpers/blob/master/CHANGELOG.md)
- [Commits](https://github.com/goodeggs/goodeggs-test-helpers/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
goodeggs/goodeggs-json-schema-validator