borgmatic 1.9.4

• #80 (beta): Add an LVM hook for snapshotting and backing up LVM logical volumes. See the
  documentation for more information:
  https://torsion.org/borgmatic/docs/how-to/snapshot-your-filesystems/
• #251 (beta): Add a Btrfs hook for snapshotting and backing up Btrfs subvolumes. See the
  documentation for more information:
  https://torsion.org/borgmatic/docs/how-to/snapshot-your-filesystems/
• #926: Fix a library error when running within a PyInstaller bundle.
• #950: Fix a snapshot unmount error in the ZFS hook when using nested datasets.
• Update the ZFS hook to discover and snapshot ZFS datasets even if they are parent/grandparent
  directories of your source directories.
• Reorganize data source and monitoring hooks to make developing new hooks easier.