[stable/prometheus] Upgrade to latest release (#11020)

Signed-off-by: David J. M. Karlsen <david@davidkarlsen.com>

charts/prometheus/Chart.yaml

@@ -1,6 +1,6 @@
 name: prometheus
-version: 8.5.0
-appVersion: 2.6.1
+version: 8.6.0
+appVersion: 2.7.0
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
 icon: https://raw.githubusercontent.com/prometheus/prometheus.github.io/master/assets/prometheus_logo-cb55bb5c346.png

charts/prometheus/README.md

@@ -227,7 +227,7 @@ Parameter | Description | Default
 `rbac.create` | If true, create & use RBAC resources | `true`
 `server.name` | Prometheus server container name | `server`
 `server.image.repository` | Prometheus server container image repository | `prom/prometheus`
-`server.image.tag` | Prometheus server container image tag | `v2.6.1`
+`server.image.tag` | Prometheus server container image tag | `v2.7.0`
 `server.image.pullPolicy` | Prometheus server container image pull policy | `IfNotPresent`
 `server.enableAdminApi` |  If true, Prometheus administrative HTTP API will be enabled. Please note, that you should take care of administrative API access protection (ingress or some frontend Nginx with auth) before enabling it. | `false`
 `server.configPath` |  Path to a prometheus server config file on the container FS  | `/etc/config/prometheus.yml`

charts/prometheus/values.yaml

@@ -518,7 +518,7 @@ server:
   ##
   image:
     repository: prom/prometheus
-    tag: v2.6.1
+    tag: v2.7.0
     pullPolicy: IfNotPresent
 
   ## prometheus server priorityClassName