changelog: adds note about closing #14239

CHANGELOG.md

@@ -3,6 +3,7 @@
 
 ### Bug Fixes
 * **Api**: Invalid org invite code [#10506](https://github.com/grafana/grafana/issues/10506)
+* **Datasource**: Handles nil jsondata field gracefully [#14239](https://github.com/grafana/grafana/issues/14239)
 
 # 6.0.1 (unreleased)