chore(datagrid-web): update changelog

Author: samuelreichert

packages/pluggableWidgets/datagrid-web/CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Added
+
+- We added a new refresh indicator to be showed when datagrid refreshes.
+
 ## [2.30.6] - 2025-05-28
 
 ### Fixed