Log Message:
repmgr: updated to 5.2.1

repmgr 5.2.1 is a minor release.

A.1.1. Improvements

repmgr standby clone: option --recovery-min-apply-delay added, overriding any \ 
setting present in repmgr.conf.

A.1.2. Bug fixes

Configuration: fix parsing of replication_type configuration parameter.

repmgr standby clone: handle case where postgresql.auto.conf is absent on the \ 
source node.

repmgr standby clone: in PostgreSQL 11 and later, an existing data directory's \ 
permissions will not be changed to 0700 if they are already set to 0750.

repmgrd: prevent termination when local node not available and \ 
standby_disconnect_on_failover is set.

repmgrd: ensure reconnect_interval is correctly handled.

repmgr witness --help: fix witness unregister description.