borgmatic 1.6.2

• #523: Reduce the default consistency check frequency and support configuring the frequency
  independently for each check. Also add "borgmatic check --force" flag to ignore configured
  frequencies. See the documentation for more information:
  https://torsion.org/borgmatic/docs/how-to/deal-with-very-large-backups/#check-frequency
• #536: Fix generate-borgmatic-config to support more complex schema changes like the new
  Healthchecks configuration options when the "--source" flag is used.
• #538: Add support for "borgmatic borg debug" command.
• #539: Add "generate-borgmatic-config --overwrite" flag to replace an existing destination file.
• Add Bash completion script so you can tab-complete the borgmatic command-line. See the
  documentation for more information:
  https://torsion.org/borgmatic/docs/how-to/set-up-backups/#shell-completion