Bump apps/zammad from `8522a75` to `c9774c8`
Bump apps/zammad from `8522a75` to `c9774c8`

Bumps [apps/zammad](https://github.com/zammad/zammad) from `8522a75` to `c9774c8`.
- [Release notes](https://github.com/zammad/zammad/releases)
- [Commits](https://github.com/zammad/zammad/compare/8522a752dbcb18b3a2c310d17db653cf7ecdff42...c9774c8b4553c6bf901e5e3ecef945c18a8eabf5)

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