[stable/chartmuseum] Update apiVersion for Kubernetes 1.16 support (#22315)

* Update apiVersion for Kubernetes 1.16 support

Signed-off-by: Alex Voloshyn <alex@geeoz.com>

* Add support for Kubernetes older than 1.16

Signed-off-by: Alex Voloshyn <alex@geeoz.com>

stable/chartmuseum/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Host your own Helm Chart Repository
 name: chartmuseum
-version: 2.12.0
+version: 2.12.1
 appVersion: 0.12.0
 home: https://github.com/helm/chartmuseum
 icon: https://raw.githubusercontent.com/helm/chartmuseum/master/logo2.png

stable/chartmuseum/templates/ingress.yaml

@@ -3,7 +3,11 @@
 {{- $serviceName := include "chartmuseum.fullname" . -}}
 {{- $ingressExtraPaths := .Values.ingress.extraPaths -}}
 ---
+{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
 apiVersion: extensions/v1beta1
+{{- end }}
 kind: Ingress
 metadata:
   name: {{ include "chartmuseum.fullname" . }}