chore(argo-rollouts): add option to disable creation of notifications configmap (#2849)

* chore(argo-rollouts): add option to disable creation of notifications configmap

This allows for using the upstream notifications configmap from
https://github.com/argoproj/argo-rollouts/blob/master/manifests/notifications-install.yaml

Signed-off-by: Roland Kool <rkool@bol.com>

* chore: update changelog

Signed-off-by: Roland Kool <rkool@bol.com>

* chore: fix chart version bump

Signed-off-by: Roland Kool <rkool@bol.com>

---------

Signed-off-by: Roland Kool <rkool@bol.com>
Co-authored-by: Aikawa <yu.croco@gmail.com>

charts/argo-rollouts/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v1.7.1
 description: A Helm chart for Argo Rollouts
 name: argo-rollouts
-version: 2.37.2
+version: 2.37.3
 home: https://github.com/argoproj/argo-helm
 icon: https://argoproj.github.io/argo-rollouts/assets/logo.png
 keywords:
@@ -19,4 +19,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: added
-      description: Added traefik.io apiGroup to Role and ClusterRole
+      description: Added setting to disable creation of the notifications ConfigMap