Bump apps/zammad from `cf2a122` to `3599319`
Bump apps/zammad from `cf2a122` to `3599319`

Bumps [apps/zammad](https://github.com/zammad/zammad) from `cf2a122` to `3599319`.
- [Release notes](https://github.com/zammad/zammad/releases)
- [Commits](https://github.com/zammad/zammad/compare/cf2a1222173465d5b544ffddd5c6624b955ef6e7...3599319ea6af04cdba782b7d00204896f857660d)

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