ELBv3 update

Update of ELBv3 nginx. No customer outage expected.
In case of issues afterwards, please contact the Open Telekom Cloud Service Desk.

Impact: Scheduled maintenance
Affected Region(s): EU-CH2
Affected Service(s): Elastic Load Balancing
Began at: 2024-07-23T17:00:00Z 
Ended at: 2024-07-23T20:00:00Z