chore: version bump

Author: marin-bratanov

_config.yml

@@ -455,8 +455,8 @@ intro_columns:
 baseurl: /blazor-ui
 
 ## Latest UI for Blazor version. Used in some articles
-uiForBlazorLatestVersion: "2.20.0"
-supportedFrameworkVersion: ".NET Core 3.1.9 and .NET 5"
+uiForBlazorLatestVersion: "2.21.0"
+supportedFrameworkVersion: ".NET Core 3.1.11 and .NET 5"
 
 ## The Kendo UI version used
 cdnVersion: "2019.1.115"

upgrade/framework-versions.md

@@ -31,7 +31,7 @@ Telerik UI for Blazor supports .NET 5 since its `2.19.0` release.
 
 ## .NET Core 3.1
 
-### Serve-side Blazor
+### Server-side Blazor
 
 >caption Telerik UI for Blazor versions per framework version for the server-side flavor