fix tag

Author: SimonDarksideJ

website/content/blog/2025-12-30-385-new-sponsor-announcement.md

@@ -2,7 +2,7 @@
 title: New Sponsor Announcement
 date: "2025-12-30"
 excerpt: "ConcernedApe invests in MonoGame's future, joining the other Premier Sponsors"
-tags: releases
+tags: announcements
 author: MonoGame Foundation
 image: /images/blog/cover/monogame_foundation.png
 ogImage: /images/blog/cover/monogame_foundation.png