Bump chart version to 9.56.1 for VPA template fix

Author: Snigdha Aryakumar

cluster-autoscaler/charts/cluster-autoscaler/Chart.yaml

@@ -11,4 +11,4 @@ name: cluster-autoscaler
 sources:
   - https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler
 type: application
-version: 9.56.0
+version: 9.56.1