feat(argo-rollouts): Allow setting the type for the dashboard service (#973)

* feat: Allow setting the type for the dashboard service. (We have a requirement
to run it as NodePort). Default to what it is if not set.

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Bump Chart version.

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Add serviceType into values.yaml

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Address review comments:

Remove old changes annotation.
Rename serviceType to service.type.

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Bump Chart version.

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Fix typo

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* FIx indentation (lint error)

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Update README

Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Update charts/argo-rollouts/README.md

Co-authored-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>
Signed-off-by: Dan Tulovsky <dant@lightstep.com>

* Apply suggestions from code review

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

* fix changelog

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

* docs: Add warning about exposing the Dashboard via Service type

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: "v1.1.0"
 description: A Helm chart for Argo Rollouts
 name: argo-rollouts
-version: 2.5.0
+version: 2.6.0
 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]: Updated ClusterRole with new rules"
+    - "[Added]: Ability to set the type of Service on the dashboard Service"