Re-enable ACME functionality as Restate cron job #4054
Description
Context
The ACME functionality was removed in PR #4053 and needs to be re-implemented as a Restate cron job.
References
- PR: refactor: remove hydra in favor of restate #4053
- Comment: refactor: remove hydra in favor of restate #4053 (comment)
- Requested by: @chronark
Task
Re-enable ACME certificate management functionality using Restate's cron job capabilities instead of the previous implementation.