Add support for pgbouncer 1.23

[rw15e]

PgBouncer 1.23 added several new columns were added across various SHOW commands.

• Adds replication column to clients, servers, and sockets functions and views.
• Adds server_lifetime column to databases functions and views.
• Adds total_server_assignment_count and avg_server_assignment_count columns to stats functions and views.
• Adds pool_size, max_user_connections, and current_connections columns to users functions and views.

[keithf4]

Thank you! I had this in my queue to work on and was waiting to make sure all was good with the fix to 1.23.0