Bump apps/zammad from `97c9d54` to `12a5e9d`
Bump apps/zammad from `97c9d54` to `12a5e9d`

Bumps [apps/zammad](https://github.com/zammad/zammad) from `97c9d54` to `12a5e9d`.
- [Release notes](https://github.com/zammad/zammad/releases)
- [Commits](https://github.com/zammad/zammad/compare/97c9d541e99750d7091c41714915b6cd7aae0b35...12a5e9dba33a43c84f574f68bd57c25871f812a7)

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