Bump engines/griddler from `7690cc3` to `9ab9763`
Bump engines/griddler from `7690cc3` to `9ab9763`

Bumps [engines/griddler](https://github.com/thoughtbot/griddler) from `7690cc3` to `9ab9763`.
- [Release notes](https://github.com/thoughtbot/griddler/releases)
- [Commits](https://github.com/thoughtbot/griddler/compare/7690cc31ded0f834b77160f1d85217b85d3480cd...9ab97639568fda50255d6d716a31f5d7902ac1eb)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
eliotsykes/real-world-rails