docs(argocd-image-updater): update values example for extraArgs (#939)

* docs: update default values example for extraArgs

Signed-off-by: Tuan Anh Tran <me@tuananh.org>

* Fix noeol in Chart.yaml

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

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

charts/argocd-image-updater/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: argocd-image-updater
 description: A Helm chart for Argo CD Image Updater, a tool to automatically update the container images of Kubernetes workloads which are managed by Argo CD
 type: application
-version: 0.2.0
+version: 0.2.1
 appVersion: v0.10.1
 home: https://github.com/argoproj-labs/argocd-image-updater
 icon: https://argocd-image-updater.readthedocs.io/en/stable/assets/logo.png
@@ -15,4 +15,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Ability to provide custom environment variables"
+    - "[Fixed]: Update default values example for extraArgs