Only support pgBackRest 2.32 and above in order to only use its internal
commands. This remove Perl dependencies no-longer needed to reach repository
hosts or S3 compatible object stores.
This also brings Azure compatible object stores support.
The repo-* arguments have then been deprecated.
Support non-gz compressed files in the archives check (Magnus Hagander).
Fix the ignore-archived-* features (Magnus Hagander).
Improve ignore-archived-* features to skip WAL consistency check for backups
involving ignored archives.
Skip unneeded boundary WAL check on TL switch (reported by sebastienruiz).
The retention service will now check that at least the backup directory exists,
not only trusting the pgBackRest info command output (suggested by Michael Banck).
repo-*arguments have then been deprecated.ignore-archived-*features (Magnus Hagander).ignore-archived-*features to skip WAL consistency check for backups involving ignored archives.