chore(changelog): aligning to kubernetes-sigs/controller-runtime@v0.1.50

Signed-off-by: Dario Tranchitella <dario@tranchitella.eu>

CHANGELOG.md

@@ -92,6 +92,7 @@ New deprecation(s):
 - **General**: Automatically scale test clusters in/out to reduce environmental footprint & improve cost-efficiency ([#4456](https://github.com/kedacore/keda/pull/4456))
 - **General**: Use default metrics provider from sigs.k8s.io/custom-metrics-apiserver ([#4473](https://github.com/kedacore/keda/pull/4473))
 - **General**: Refactor several functions for Status & Conditions handling into pkg util functions ([#2906](https://github.com/kedacore/keda/pull/2906))
+- **General**: Bump `kubernetes-sigs/controller-runtime` to v0.15.0 and code alignment ([#4582](https://github.com/kedacore/keda/pull/4582))
 
 ## v2.10.1