banip: update 0.2.1

banip: update 0.2.1

* remove 'http-only' mode, all sources are now fetched from https sites
* the backup mode is now mandatory ('/tmp' is the default backup
  directory), always create and re-use backups if available.
  To force a re-download take the 'reload' action.
* support 'sshd' in addition to 'dropbear' for logfile parsing
  to detect break-in events
* always update the black-/whitelist with logfile parsing results
  in 'refresh' mode (no new downloads)
* rework the return code handling
* tweak procd trigger
* various small fixes
* (s)hellsheck cosmetics
* Change .*GPL.*+ licenses to SPDX compatible identifier

Signed-off-by: Dirk Brenken <dev@brenken.org>