Bump verson to 1.3.7.6
Ticket 49038 - remove legacy replication - change cleanup script precedence
Ticket 49392 - memavailable not available
Ticket 49320 - Activating already active role returns error 16
Ticket 49389 - unable to retrieve specific cosAttribute when subtree password policy is configured
Ticket 49092 - Add CI test for schema-reload
Ticket 49388 - repl-monitor - matches null string many times in regex
Ticket 49385 - Fix coverity warnings
Ticket 49305 - Need to wrap atomic calls
Ticket 49180 - errors log filled with attrlist_replace - attr_replace