feat(argo-image-updater): Update to use version 0.12 (#1173)

Signed-off-by: Jan Christoph Beyer <janchristoph.beyer@googlemail.com>

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

charts/argocd-image-updater/Chart.yaml

@@ -2,8 +2,8 @@ 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: 0.7.0
-appVersion: v0.11.3
+version: 0.8.0
+appVersion: v0.12.0
 home: https://github.com/argoproj-labs/argocd-image-updater
 icon: https://argocd-image-updater.readthedocs.io/en/stable/assets/logo.png
 keywords:
@@ -15,4 +15,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Ability to manage secret containing the ArgoCD API token"
+    - "[Changed]: Update to argocd-image-updater v0.12"