Updating image of prometheus-redis-exporter to latest version (#8994)

Signed-off-by: Naseem Ullah <naseemkullah@gmail.com>

stable/prometheus-redis-exporter/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
-appVersion: 0.21.1
+appVersion: 0.21.2
 description: Prometheus exporter for Redis metrics
 name: prometheus-redis-exporter
-version: 0.3.3
+version: 0.3.4
 home: https://github.com/oliver006/redis_exporter
 sources:
   - https://github.com/oliver006/redis_exporter

stable/prometheus-redis-exporter/README.md

@@ -44,7 +44,7 @@ The following table lists the configurable parameters and their default values.
 | ---------------------- | --------------------------------------------------- | ------------------------- |
 | `replicaCount`         | desired number of prometheus-redis-exporter pods    | `1`                       |
 | `image.repository`     | prometheus-redis-exporter image repository          | `oliver006/redis_exporter`|
-| `image.tag`            | prometheus-redis-exporter image tag                 | `v0.21.1`                 |
+| `image.tag`            | prometheus-redis-exporter image tag                 | `v0.21.2`                 |
 | `image.pullPolicy`     | image pull policy                                   | `IfNotPresent`            |
 | `extraArgs`            | extra arguments for the binary; possible values [here](https://github.com/oliver006/redis_exporter#flags)| {}
 | `env`                  | additional environment variables in YAML format. Can be used to pass credentials as env variables (via secret) as per the image readme [here](https://github.com/oliver006/redis_exporter#environment-variables) | {} |

stable/prometheus-redis-exporter/values.yaml

@@ -13,7 +13,7 @@ serviceAccount:
 replicaCount: 1
 image:
   repository: oliver006/redis_exporter
-  tag: v0.21.1
+  tag: v0.21.2
   pullPolicy: IfNotPresent
 extraArgs: {}
 # Additional Environment variables