[stable/ghost] Release 2.1.9 (helm#3358)

* ghost: update to `bitnami/ghost:1.20.1-r0`

* ghost: bump chart appVersion to `1.20.1`

* ghost: bump chart version to `2.1.9`

* ghost: update to `bitnami/ghost:1.20.2-r0`

* ghost: bump chart appVersion to `1.20.2`

Author: Bitnami Bot

stable/ghost/Chart.yaml

@@ -1,6 +1,6 @@
 name: ghost
-version: 2.1.8
-appVersion: 1.19.2
+version: 2.1.9
+appVersion: 1.20.2
 description: A simple, powerful publishing platform that allows you to share your
   stories with the world
 keywords:

stable/ghost/values.yaml

@@ -1,7 +1,7 @@
 ## Bitnami Ghost image version
 ## ref: https://hub.docker.com/r/bitnami/ghost/tags/
 ##
-image: bitnami/ghost:1.19.2-r1
+image: bitnami/ghost:1.20.2-r0
 
 ## Busybox image used to configure volume permissions
 ##