feat(argo-rollouts) Add controller.extraEnv (#1333)

* feat(argo-rollouts) Add controller.extraEnv

Ability to specify environment variables for rollouts-controller from values.yaml

Signed-off-by: Ben Hayden <hayden767@gmail.com>

* Also implement extraEnv for dashboard component

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

* Reword changelog line

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

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

charts/argo-rollouts/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "v1.2.0"
 description: A Helm chart for Argo Rollouts
 name: argo-rollouts
-version: 2.16.0
+version: 2.17.0
 icon: https://argoproj.github.io/argo-rollouts/assets/logo.png
 home: https://github.com/argoproj/argo-helm
 maintainers:
@@ -11,4 +11,4 @@ maintainers:
   - name: jessesuen
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Argo rollouts dashboard cluster role readonly flags"
+    - "[Added]: Ability to inject custom environment variables"