Fix ESC deletion protection blog post thumbnail (#16451)

Should look better now!

Author: fnune

content/blog/esc-deletion-protection/deletion-protection.png

@@ -3,7 +3,7 @@ title: "Deletion Protection for Pulumi ESC Environments"
 date: 2025-11-03T14:00:00-07:00
 draft: false
 meta_desc: "Prevent accidental deletion of critical environments with the new deletion protection feature for Pulumi ESC."
-meta_image: meta.png
+meta_image: deletion-protection.png
 authors:
     - fausto-nunez-alberro
 tags: