[stable/ghost] Update deployment apiVersion to 'apps/v1' - Mandatory for K8s 1.16 (#17297)

Signed-off-by: juan131 <juan@bitnami.com>

stable/ghost/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ghost
-version: 7.2.4
+version: 7.2.5
 appVersion: 2.31.0
 description: A simple, powerful publishing platform that allows you to share your stories with the world
 keywords:

stable/ghost/requirements.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: mariadb
   repository: https://kubernetes-charts.storage.googleapis.com/
-  version: 6.8.8
+  version: 6.9.1
 digest: sha256:234702bf5dbec8956e4f113b783db5559f7d3cbf60abf8a89c7a3c73b3c79c5c
-generated: 2019-09-09T19:22:40.149465325Z
+generated: "2019-09-20T15:05:20.05876+02:00"

stable/ghost/templates/deployment.yaml

@@ -1,5 +1,5 @@
 {{- if include "ghost.host" . -}}
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ template "ghost.fullname" . }}