chore(common): Update version in rendering changes article

Author: ntacheva

upgrade/rendering-changes/6-3-0.md renamed to upgrade/rendering-changes/7-0-0.md

@@ -1,12 +1,12 @@
 ---
-title: 6.3.0
-description: Handle the rendering changes in the 6.3.0 release of the Telerik UI for Blazor components.
-page_title: Rendering Changes in the 6.3.0 Release
-slug: changes-in-6-3-0
+title: 7.0.0
+description: Handle the rendering changes in the 7.0.0 release of the Telerik UI for Blazor components.
+page_title: Rendering Changes in the 7.0.0 Release
+slug: changes-in-7-0-0
 position: 970
 ---
 
-# Rendering Changes in 6.3.0
+# Rendering Changes in 7.0.0
 
 * [AIPrompt](#aiprompt)
 * [Gantt](#gantt)