[stable/grafana] migrate API versions from deprecated, removed versions (#17331)

Signed-off-by: Naoki Oketani <okepy.naoki@gmail.com>

stable/grafana/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: grafana
-version: 3.8.14
+version: 3.8.15
 appVersion: 6.3.5
 kubeVersion: "^1.8.0-0"
 description: The leading tool for querying and visualizing time series and metrics.

stable/grafana/templates/deployment.yaml

@@ -1,5 +1,5 @@
 {{ if (or (not .Values.persistence.enabled) (eq .Values.persistence.type "pvc")) }}
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ template "grafana.fullname" . }}

stable/grafana/templates/podsecuritypolicy.yaml

@@ -1,5 +1,5 @@
 {{- if .Values.rbac.pspEnabled }}
-apiVersion: extensions/v1beta1
+apiVersion: policy/v1beta1
 kind: PodSecurityPolicy
 metadata:
   name: {{ template "grafana.fullname" . }}

stable/grafana/templates/tests/test-podsecuritypolicy.yaml

@@ -1,5 +1,5 @@
 {{- if .Values.rbac.pspEnabled }}
-apiVersion: extensions/v1beta1
+apiVersion: policy/v1beta1
 kind: PodSecurityPolicy
 metadata:
   name: {{ template "grafana.fullname" . }}-test