[2.3.0] Checkmk Werk 16884 created: seh_ports: support new OIDs from updated sehMIB v2.5

[//]: # (werk v2) # seh_ports: support new OIDs from updated sehMIB v2.5 key | value ---------- | --- date | 2024-05-15T05:36:17+00:00 version | 2.3.0p3 class | feature edition | cre component | checks level | 1 compatible | yes The `seh_ports` check was unable to deal with newer devices sending SNMP data based on SEH-MIB v2.5 (2023.10.31) (compared to the already handled format SEH-PSRV-MIB v1.167. This change makes `seh_ports` deal with the new format next to the old one.