Fix blog header (#7058)

Signed-off-by: Daniel Deluiggi <ddeluigg@amazon.com>

Author: danielblando

website/content/en/blog/2025/readonly-ingester-scaling.md

@@ -1,13 +1,13 @@
 ---
-date: 2025-01-14
+date: 2025-10-17
 title: "Introducing READONLY State: Gradual and Safe Ingester Scaling"
 linkTitle: READONLY Ingester Scaling
 tags: [ "blog", "cortex", "ingester", "scaling" ]
 categories: [ "blog" ]
 projects: [ "cortex" ]
 description: >
   Learn about Cortex's new READONLY state for ingesters introduced in version 1.19.0 that enables gradual, safe scaling down operations without data loss or performance impact.
-author: Cortex Team
+author: Daniel Blando ([@danielblando](https://github.com/danielblando))
 ---
 
 ## Introduction