Fixes
- Head Status Update During Rotation. Fixed an issue where the head status could remain
activeifstorage.tsdb.retentionwas set to zero, such as when running in agent mode. This caused the RemoteWrite loop does not transit to the next head.
active if storage.tsdb.retention was set to zero, such as when running in agent mode. This caused the RemoteWrite loop does not transit to the next head.