[incubator-vault] Fixes compatibility with 1.16 (#17324)

Notice of deprecation: https://kubernetes.io/blog/2019/07/18/api-deprecations-in-1-16

Signed-off-by: Rafael Grigorian <me@raffi.io>

incubator/vault/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: A Helm chart for Vault, a tool for managing secrets
 name: vault
-version: 0.21.0
+version: 0.21.1
 appVersion: 1.1.2
 home: https://www.vaultproject.io/
 icon: https://www.vaultproject.io/assets/images/mega-nav/logo-vault-0f83e3d2.svg

incubator/vault/templates/deployment.yaml

@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ template "vault.fullname" . }}
@@ -13,6 +13,13 @@ metadata:
   annotations:
 {{ toYaml .Values.annotations | indent 4 }}
 spec:
+  selector:
+    matchLabels:
+      app: {{ template "vault.name" . }}
+      release: {{ .Release.Name }}
+{{- if .Values.podLabels }}
+{{ toYaml .Values.podLabels | indent 6 }}
+{{- end }}
   replicas: {{ .Values.replicaCount }}
   strategy:
     type: RollingUpdate

incubator/vault/templates/ingress.yaml

@@ -1,7 +1,7 @@
 {{- if .Values.ingress.enabled -}}
 {{- $serviceName := include "vault.fullname" . -}}
 {{- $servicePort := .Values.service.externalPort -}}
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1beta1
 kind: Ingress
 metadata:
   name: {{ template "vault.fullname" . }}