use autoscaling/v2 if possible

Signed-off-by: Peter Bulisch <56633213+pulish@users.noreply.github.com>

Author: pulish

charts/coredns/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: coredns
-version: 1.19.7
+version: 1.19.8
 appVersion: 1.9.4
 home: https://coredns.io
 icon: https://coredns.io/images/CoreDNS_Colour_Horizontal.png

charts/coredns/templates/hpa.yaml

@@ -1,6 +1,10 @@
 {{- if and (.Values.hpa.enabled) (not .Values.autoscaler.enabled) }}
 ---
+{{- if .Capabilities.APIVersions.Has "autoscaling/v2" }}
+apiVersion: autoscaling/v2
+{{- else }}
 apiVersion: autoscaling/v2beta2
+{{- end }}
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ template "coredns.fullname" . }}