[2.3.0] Checkmk Werk 17197 created: esx_vsphere_vm_snapshot: Correctly compute creation time

[//]: # (werk v2) # esx_vsphere_vm_snapshot: Correctly compute creation time key | value ---------- | --- date | 2024-10-09T10:07:31+00:00 version | 2.3.0p19 class | fix edition | cre component | checks level | 1 compatible | yes The creation time of snapshots has been computed incorrectly. The time stamp (like `2024-10-09T12:10:00.123456Z`) has been treated as local time, while in fact refering to UTC.