[2.3.0] Checkmk Werk 17211 created: dell_powerconnect_cpu: Fix KeyError

[//]: # (werk v2) # dell_powerconnect_cpu: Fix KeyError key | value ---------- | --- date | 2024-10-17T13:57:25+00:00 version | 2.3.0p20 class | fix edition | cre component | checks level | 1 compatible | yes The check plugin `dell_powerconnect_cpu` would crash with the following error: ``` File "/omd/sites/test/share/check_mk/checks/dell_powerconnect_cpu", line 59, in check_dell_powerconnect_cpu ("util1", "%d%%" % saveint(oneminuteperc), params[0], params[1], 0, 100), KeyError (0) ``` The bug was introduced in the 2.3.0. This Werk fixes the issue.