Changes with Zammad 7.0

[mgruner]

• does not need DATABASE_URL any more, handles password escaping properly in the stack
• bundle exec now required for Rails operations
• switch to Elasticsearch 9 (?)
• Docker stack cannot run Rails without using the docker entrypoint zammad#5685 - DATABASE_URL could be removed from the chart perhaps - fixes Postgresql credentials should be percent encoded #251
• add redis sentinel support Add support for Redis Sentinel #369

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.