feat(argo-rollouts): add annotations for notifications secret (#2777)

* feat(argo-rollouts): Most users of Argo-rollouts may store secrets on vault which allows to auto inject secrets directly to secrets object using annotations.
Signed-off-by:Mohamed Ragab <mohamed.ragab@hellofresh.com>

Signed-off-by: Mohamed Ragab <mohamed.ragab@hellofresh.com>

* Fix indentation

Signed-off-by: Mohamed Ragab <mohamed.ragab@hellofresh.com>

---------

Signed-off-by: Mohamed Ragab <mohamed.ragab@hellofresh.com>
Co-authored-by: Marco Maurer (-Kilchhofer) <mkilchhofer@users.noreply.github.com>

charts/argo-rollouts/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v1.7.0
 description: A Helm chart for Argo Rollouts
 name: argo-rollouts
-version: 2.36.0
+version: 2.36.1
 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: changed
-      description: Bump argo-rollouts to v1.7.0
+      description: Add annotations for notifications secret