Bump apps/markus from `a8c94f9` to `c0f580e`
Bump apps/markus from `a8c94f9` to `c0f580e`

Bumps [apps/markus](https://github.com/MarkUsProject/Markus) from `a8c94f9` to `c0f580e`.
- [Release notes](https://github.com/MarkUsProject/Markus/releases)
- [Commits](https://github.com/MarkUsProject/Markus/compare/a8c94f9bd1bfd9559a6507039c7aa7b929e2eecd...c0f580e3caeb7958afdff94103d1882814d7eef3)

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