fix .mdx category

Author: DinhPhucLe

src/collections/news/2026/2026-03-25-meshery-1.0-debuts/index.mdx

@@ -7,7 +7,7 @@ author: "The Newsroom"
 thumbnail: ./news-hero.webp
 darkthumbnail: ./news-hero.webp
 description: "Meshery 1.0 adds a visual control layer that simplifies management of cloud-native infrastructure."
-category: Release
+category: Press Release
 tags: ["Meshery"]
 presskit: ""
 resource: false