add changelog entry for ghost broker decommissioner schedule

(cherry picked from commit 08876c4)

Author: birdayz

.changes/unreleased/operator-Added-20250402-120514.yaml

@@ -0,0 +1,4 @@
+project: operator
+kind: Added
+body: Added scheduled sync of ghost broker decommissioner to ensure it's running, even if no watches trigger the reconciler.
+time: 2025-04-02T12:05:14.0004825+02:00

operator/CHANGELOG.md

@@ -6,6 +6,8 @@ and is generated by [Changie](https://github.com/miniscruff/changie).
 
 
 ## Unreleased
+### Added
+* Added scheduled sync of ghost broker decommissioner to ensure it's running, even if no watches trigger the reconciler.
 ### Changed
 * Reconciliation will attempt to create all resources regardless of errors encounter.
   All errors will be reported at the end of the reconciliation loop.