Bump engines/shopify_app from `c4f89a8` to `f9d8f1d`
Bump engines/shopify_app from `c4f89a8` to `f9d8f1d`

Bumps [engines/shopify_app](https://github.com/Shopify/shopify_app) from `c4f89a8` to `f9d8f1d`.
- [Release notes](https://github.com/Shopify/shopify_app/releases)
- [Commits](https://github.com/Shopify/shopify_app/compare/c4f89a82db8d7c4e718f869d9720648ea25cd3d0...f9d8f1de42a796578d9c0951102cc47aa5444db8)

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