fix(argocd-image-updater): Align changelog structure

relates to #1808

Was fixed already for:

- [x] [argo-cd](#1810)
- [x] [argo-workflows](#1812)
- [x] [argo-events](#1813)
- [x] [argo-rollouts](#1814)
- [x] [argocd-apps](#1815)

Signed-off-by: jmeridth <jmeridth@gmail.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: 0.8.2
+version: 0.8.3
 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
@@ -15,4 +15,5 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Changed]: avoid app.kubernetes.io/version kubernetes label from exceeding maximum length (63)"
+    - kind: fixed
+      description: Align changelog structure to show changelogs on Artifact Hub