Include pre-releases in the semver ranges (#4635)

This is important when testing against alpha and beta builds of
Kubernetes along with environments that use pre-releases to denote
things other than pre-releases (e.g., gke denotes the environment
with a pre-releases)

stable/redis/Chart.yaml

@@ -1,5 +1,5 @@
 name: redis
-version: 1.1.23
+version: 1.1.24
 appVersion: 4.0.9
 description: Open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
 keywords:

stable/redis/templates/_helpers.tpl

@@ -28,9 +28,9 @@ If release name contains chart name it will be used as a full name.
 Return the appropriate apiVersion for networkpolicy.
 */}}
 {{- define "networkPolicy.apiVersion" -}}
-{{- if semverCompare ">=1.4, <=1.6" .Capabilities.KubeVersion.GitVersion -}}
+{{- if semverCompare ">=1.4-0, <1.7-0" .Capabilities.KubeVersion.GitVersion -}}
 {{- print "extensions/v1beta1" -}}
-{{- else if semverCompare "^1.7" .Capabilities.KubeVersion.GitVersion -}}
+{{- else if semverCompare "^1.7-0" .Capabilities.KubeVersion.GitVersion -}}
 {{- print "networking.k8s.io/v1" -}}
 {{- end -}}
 {{- end -}}