⚠️ BREAKING CHANGES

• Fails if zitadel.configmapConfig.FirstInstance.MachineKeyPath is specified
• Changes the default of machinekeyWriterImage.repository from alpine/k8s to bitnami/kubectl
• Changes the default of machinekeyWriterImage.tag from [target-k8s-major].[target-k8s-minor].[target-k8s-patch] to [target-k8s-major].[target-k8s-minor], e.g. 1.27
• Removes support for Kubernetes version 1.18

More Chart changes

• Uses a static path for zitadel.configmapConfig.FirstInstance.MachineKeyPath
• Updates the default ZITADEL app version to v2.28.1

Quality improvements

• Adds a test with a service account setup
• Tests service account authentication
• Additionally tests on k8s 1.26 and 1.27
• Always tests with the latest Helm version
• Updates all testing flows dependencies