chore(CHANGELOG): update

Author: nikku

CHANGELOG.md

@@ -8,7 +8,7 @@ ___Note:__ Yet to be released changes appear here._
 
 ## 5.11.0
 
-* `FEAT`: simplify FEEL editor external error ([bpmn-io/properties-panel#97](https://github.com/camunda/linting/pull/97))
+* `FEAT`: simplify FEEL editor external error ([bpmn-io/properties-panel#97](https://github.com/camunda/linting/pull/97), [#1018](https://github.com/bpmn-io/bpmn-js-properties-panel/issues/1018))
 * `FEAT`: remove unnecessary resizer ([bpmn-io/properties-panel@`b2f6752`](https://github.com/bpmn-io/properties-panel/commit/b2f6752de3827384452d4b4c0b27bd269b7b5ad4))
 * `FIX`: attach popup editor toggle to the top ([bpmn-io/properties-panel@`e6681f7`](https://github.com/bpmn-io/properties-panel/commit/e6681f74ad6268c8f533a721351bdeea376dac26))
 * `FIX`: close popup editor when properties panel gets detached ([bpmn-io/properties-panel@`7defc52`](https://github.com/bpmn-io/properties-panel/commit/7defc525400c62f253651cda589fe2f5058518a6))