Bump apps/spree from `7711b79` to `e6d178c`
Bump apps/spree from `7711b79` to `e6d178c`

Bumps [apps/spree](https://github.com/spree/spree) from `7711b79` to `e6d178c`.
- [Release notes](https://github.com/spree/spree/releases)
- [Commits](https://github.com/spree/spree/compare/7711b79917b20c6db50358c24e9fb057d9854846...e6d178cc30307d467c2b258d704b73d8b1db3e42)

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