Website: update /releases, /announcements, and /guides article category pages (#27048)

Closes: #26203 

Changes:
- Updated the article category page for release posts, announcements,
and guides to match the latest wireframes

website/api/controllers/articles/view-articles.js

@@ -47,8 +47,9 @@ module.exports = {
           return page;
         }
       });
-      articles = _.sortBy(articles, 'meta.publishedOn');
     }
+    // Sort articles in descending order by publish date.
+    articles = _.sortByOrder(articles, 'meta.publishedOn', 'DESC');
 
     let pageTitleForMeta = 'Fleet blog';
     let pageDescriptionForMeta = 'Read the latest articles written by Fleet.';