Add evergreen flag

Author: rytswd

content/en/blog/_posts/2025-04-23-Kubernetes-v1-33-Release/index.md

@@ -3,6 +3,7 @@ layout: blog
 title: 'Kubernetes v1.33: Octarine'
 date: 2025-04-23T10:30:00-08:00
 slug: kubernetes-v1-33-release
+evergreen: true
 author: >
   [Kubernetes v1.33 Release Team](https://github.com/kubernetes/sig-release/blob/master/releases/release-1.33/release-team.md)
 ---