Update appVersion and image tag (#8794)

Signed-off-by: Antoni Florit Homar <toniflorithomar@gmail.com>

stable/prometheus-pushgateway/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
-appVersion: "0.4.0"
+appVersion: "0.6.0"
 description: A Helm chart for prometheus pushgateway
 name: prometheus-pushgateway
-version: 0.1.2
+version: 0.1.3
 home: https://github.com/prometheus/pushgateway
 sources:
 - https://github.com/prometheus/pushgateway

stable/prometheus-pushgateway/values.yaml

@@ -3,7 +3,7 @@
 # Declare variables to be passed into your templates.
 image:
   repository: prom/pushgateway
-  tag: v0.4.0
+  tag: v0.6.0
   pullPolicy: IfNotPresent
 
 service: