make NEW_CHART_VERSION=v1.5.0-beta1 bump-chart-version

Author: disperate

charts/csi-cloudscale/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: csi-cloudscale
 description: A Container Storage Interface Driver for cloudscale.ch volumes.
 type: application
-version: 1.4.0
+version: 1.5.0-beta1
 appVersion: "4.0.0-beta1"
 home: https://github.com/cloudscale-ch/csi-cloudscale
 sources: