Mark post-release article as draft

We should remove that mark once v1.28 is released.

Author: Tim Bannister

content/en/blog/_posts/2023-08-16-non-graceful-node-shutdown-to-ga.md

@@ -3,6 +3,7 @@ layout: blog
 title: "Kubernetes 1.28: Non-Graceful Node Shutdown Moves to GA"
 date: 2023-08-16T10:00:00-08:00
 slug: kubernetes-1-28-non-graceful-node-shutdown-GA
+draft: true
 ---
 
 **Authors:** Xing Yang (VMware) and Ashutosh Kumar (Elastic)