added -0 to fix issue #113

This will allow to support k8s versions which has string literals after version like 1.16.8-beta

Author: ajaychoudhary01

helm_chart/Chart.yaml

@@ -1,7 +1,7 @@
 name: mongodb-enterprise-operator
 description: MongoDB Kubernetes Enterprise Operator
 version: 1.5.5
-kubeVersion: '>=1.13'
+kubeVersion: '>=1.13-0'
 keywords:
 - mongodb
 - database