Bump version to 1.3.8.9
Ticket 49969 - DOS caused by malformed search operation (security fix)
Ticket 49954 - On s390x arch retrieved DB page size is stored as size_t rather than uint32_t
Ticket 49937 - Log buffer exceeded emergency logging msg is not thread-safe (security fix)
Ticket 49932 - Crash in delete_passwdPolicy when persistent search connections are terminated unexpectedly