[ghost]: Upgrade appversion to 4.37.0 (#1439)

Use the easier maintenance way for the chart and due to not being sure if it breaks something, I bumped minor version.

Signed-off-by: Skyler Mäntysaari <samip5@users.noreply.github.com>

charts/stable/ghost/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
-appVersion: 4.27.2
+appVersion: 4.37.0
 description: Ghost is a blogging and publishing software
 name: ghost
-version: 1.1.2
+version: 1.2.0
 kubeVersion: ">=1.19.0-0"
 keywords:
   - ghost
@@ -25,5 +25,5 @@ dependencies:
     condition: mariadb.enabled
 annotations:
   artifacthub.io/changes: |
-    - kind: fixed
-      description: Fixed database host to match mariadb-svc
+    - kind: changed
+      description: Upgrade `appversion` from 4.27.2 to 4.37.0.

charts/stable/ghost/values.yaml

@@ -9,7 +9,8 @@ image:
   # -- image repository
   repository: ghost
   # -- image tag
-  tag: 4.27.2
+  # @default -- chart.appVersion
+  tag:
   # -- image pull policy
   pullPolicy: IfNotPresent