feat(argo-cd): Create optional annotations and labels for redis service (#955)

* Create optional serviceAnnotations value for redis in helm chart

Signed-off-by: arunkumar.anandhan <arunkumar.anandhan@niceincontact.com>

* Uncomment accidentally commented lines

Signed-off-by: arunkumar.anandhan <arunkumar.anandhan@niceincontact.com>

* update chart version

Signed-off-by: arunkumar.anandhan <arunkumar.anandhan@niceincontact.com>

* update service annotation key for redis

Signed-off-by: arunkumar.anandhan <arunkumar.anandhan@niceincontact.com>

* Update L24 with appropriate description

Signed-off-by: arunkumar.anandhan <arunkumar.anandhan@niceincontact.com>

* Move redis.service key occurence in values

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

* Also implement additional labels

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

* Add documentation

- Changelog annotations
- Add new values to README

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

* fix: Use correct value for redis service targetPort

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

Co-authored-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argo-cd/README.md

@@ -475,6 +475,8 @@ through `xxx.extraArgs`
 | redis.resources | Resource limits and requests for redis | `{}` |
 | redis.securityContext | Redis Pod Security Context | See [values.yaml](values.yaml) |
 | redis.servicePort | Redis service port | `6379` |
+| redis.service.annotations | Redis service annotations | `{}` |
+| redis.service.labels | Additional redis service labels | `{}` |
 | redis.tolerations | [Tolerations for use with node taints](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/) | `[]` |
 | redis.metrics.enabled | Deploy metrics service and redis-exporter sidecar | `false` |
 | redis.metrics.image.repository | redis-exporter image repository | `quay.io/bitnami/redis-exporter` |