[2.3.0] Checkmk Werk 16601 created: mcafee_webgateway: base OID changed

[//]: # (werk v2) # mcafee_webgateway: base OID changed key | value ---------- | --- date | 2024-03-19T07:49:40+00:00 version | 2.3.0b5 class | fix edition | cre component | checks level | 1 compatible | yes The McAfee Web Gateway has been rebranded to Skyhigh Secure Web Gateway with its release 12.2.2. The base OID has been changed from `.1.3.6.1.4.1.1230*` to `.1.3.6.1.4.1.59732*`. Where possibile the "McAfee" string has been removed in favor of more generic therms. The old plugin names and ruleset names have been kept for compatibility/history-keeping reasons.