chore(stackable-operator): Update changelog

Author: NickLarsenNZ

crates/stackable-operator/CHANGELOG.md

@@ -7,7 +7,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 
 - Update `kube` to `1.1.0` ([#1049]).
-- Return type for `ListenerOperatorVolumeSourceBuilder::new()` is no onger a `Result` ([#1058]).
+- BREAKING: Return type for `ListenerOperatorVolumeSourceBuilder::new()` is no onger a `Result` ([#1058]).
 
 ### Removed