Merge dev to dev-to-kube-1.26

Author: zalando-teapot-robot

cluster/config-defaults.yaml

@@ -888,13 +888,8 @@ stackset_routegroup_support_enabled: "true"
 stackset_ingress_source_switch_ttl: "5m"
 
 # enable/disable versioned configuration resources support for stackset
-{{if eq .Cluster.Environment "production"}}
-stackset_configmap_support_enabled: "false"
-stackset_secret_support_enabled: "false"
-{{else}}
 stackset_configmap_support_enabled: "true"
 stackset_secret_support_enabled: "true"
-{{end}}
 
 # enable/disable traffic segment support for stackset
 stackset_enable_traffic_segments: "false"