[2.4.0] Checkmk Werk 15337 created: Add support for monitoring oracle 23ai

[//]: # (werk v2) # Add support for monitoring oracle 23ai key | value ---------- | --- date | 2024-06-18T12:37:00+00:00 version | 2.4.0b1 class | feature edition | cre component | checks level | 1 compatible | yes We extended the regular expression to detect processes of Oracle 23ai, we now also search for `db_pmon_`.