Bump apps/markus from `664ca8a` to `fbcc297`
Bump apps/markus from `664ca8a` to `fbcc297`

Bumps [apps/markus](https://github.com/MarkUsProject/Markus) from `664ca8a` to `fbcc297`.
- [Release notes](https://github.com/MarkUsProject/Markus/releases)
- [Commits](https://github.com/MarkUsProject/Markus/compare/664ca8a0077a5b96ce290652cbd01380d0d363b8...fbcc297fbfbe851330cd1f86d4835b83441d84ab)

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