AKS publick8s version update

publick8s

INFRA-3005 NOTES

[Closing Maintenance]

• The update to Kubernetes 1.19.11 was successfully finished at 14:00 UTC
• The service ldap.jenkins.io had 2 downtimes post-mortem, resulting in authentication not possible on the JIRA and the plugin releases where not possible during the following time windows:
  • From 08:08 UTC until 08:13 UTC (6 min)
  • From 10:40 UTC until 10:41 UTC (1 min)

[Initial Message] We’ll do an AKS cluster upgrade.

The service ldap.jenkins.io service will be restarted. All other services should remain up and running.