Bump apps/zammad from `623b17b` to `db3f553`
Bump apps/zammad from `623b17b` to `db3f553`

Bumps [apps/zammad](https://github.com/zammad/zammad) from `623b17b` to `db3f553`.
- [Release notes](https://github.com/zammad/zammad/releases)
- [Commits](https://github.com/zammad/zammad/compare/623b17be6b4d62cee44f4a9444fe26121d59b7e6...db3f553140ef506f8d31815ec08651187a3a6e4f)

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