[FIX] developer/reference/cli: --db_replica_host

Introduced by odoo/odoo#112000 in 17.0

Part-of: #14294
Related: odoo/odoo#222807
Signed-off-by: Julien Castiaux (juc) <[email protected]>

Author: Julien00859

content/developer/reference/cli.rst

@@ -236,6 +236,14 @@ Database
 
     port the database listens on, defaults to 5432
 
+.. option:: --db_replica_host <hostname>
+
+    host for the replica database server, disabled when not set / empty
+
+.. option:: --db_replica_port <port>
+
+    the port the replica database listens on, defaults to :option:`--db_port`
+
 .. option:: --db-filter <filter>
 
     hides databases that do not match ``<filter>``. The filter is a