bumps helm chart version to the image built by 3.1.5 ArgoCD version

Author: ppapapetrou76

charts/argo-cd/Chart.yaml

@@ -1,9 +1,9 @@
 apiVersion: v2
-appVersion: v3.0.2-2025-09-08-9b30d922
+appVersion: v3.1.5-2025-09-18-389d4431
 kubeVersion: ">=1.25.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 8.0.6-9-cap-v3.0.2-2025-09-08-9b30d922
+version: 8.0.6-10-cap-v3.1.5-2025-09-18-389d4431
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -27,4 +27,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: changed
-      description: Add size limit for emptyDir in statefulset of argocd-application-controller
+      description: Updates ArgoCD to 3.1.5