Bump apps/spree from `18ff8d9` to `ab9d145`
Bump apps/spree from `18ff8d9` to `ab9d145`

Bumps [apps/spree](https://github.com/spree/spree) from `18ff8d9` to `ab9d145`.
- [Release notes](https://github.com/spree/spree/releases)
- [Commits](https://github.com/spree/spree/compare/18ff8d9ec1aa26bf81e17dca1556b63731321d69...ab9d145082d69eea05bf7002036afca58f3d4aba)

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