v1.17.0

• [bzfs_jobrunner] docs: Improve Getting Started.
• [bzfs_jobrunner,bzfs] Make --monitor-snapshots report exit code for worst encountered alert instead of first
  encountered alert.
• [bzfs_jobrunner,bzfs] --monitor-snapshots: Add (optional) oldest_skip_holds flag to indicate that snapshots that
  carry a zfs hold shall be skipped when monitoring the oldest snapshot. The default is to not skip, i.e. the same
  behavior as before this change.
• [bzfs] --delete-dst-snapshots: Don't attempt to delete snapshots that carry a zfs hold; instead auto-skip them
  without failing.
• [bzfs] Fix snapshot schedule for N-minutely periods where N > 1.
• [bzfs] Make call_with_retries() more widely applicable.
• [bzfs] [security] --ssh-{src|dst}-config-file: Make it possible to specify that no ssh configuration files shall be
  read.
• [bzfs] [security] Enhance validation of --ssh-{src|dst}-user and ZFS property names.
• [bzfs] [security] Make os.utime() not follow symlinks for additional safety.
• For the full list of changes, see v1.16.0...v1.17.0