Bump apps/locomotivecms-engine from `5a177f8` to `8815154`
Bump apps/locomotivecms-engine from `5a177f8` to `8815154`

Bumps [apps/locomotivecms-engine](https://github.com/locomotivecms/engine) from `5a177f8` to `8815154`.
- [Release notes](https://github.com/locomotivecms/engine/releases)
- [Commits](https://github.com/locomotivecms/engine/compare/5a177f85c4a80f1288d6f37a26f83642fe757aec...881515479ab83b7548290a4b27a358907eac1bf5)

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