Bump apps/markus from `a53e53c` to `42ad7da`
Bump apps/markus from `a53e53c` to `42ad7da`

Bumps [apps/markus](https://github.com/MarkUsProject/Markus) from `a53e53c` to `42ad7da`.
- [Release notes](https://github.com/MarkUsProject/Markus/releases)
- [Commits](https://github.com/MarkUsProject/Markus/compare/a53e53ca3ce6752022a200c5389836b5ae6fac56...42ad7da258d521fb5b9710b8c417cc189870f9ab)

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