borgmatic 1.9.3

• #261 (beta): Add a ZFS hook for snapshotting and backing up ZFS datasets. See the documentation
  for more information: https://torsion.org/borgmatic/docs/how-to/snapshot-your-filesystems/
• Remove any temporary copies of the manifest file created in support of the "bootstrap" action.
• Deprecate the "store_config_files" option at the global scope and move it under the "bootstrap"
  hook. See the documentation for more information:
  https://torsion.org/borgmatic/docs/how-to/extract-a-backup/#extract-the-configuration-files-used-to-create-an-archive
• Require the runtime directory to be an absolute path.
• Add a "--deleted" flag to the "repo-list" action for listing deleted archives that haven't
  yet been compacted (Borg 2 only).
• Promote the "spot" check from a beta feature to stable.