fix(argo-workflows): add app: label to components to match upstream (argoproj#2775)

Author: tico24

charts/argo-workflows/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v3.5.8
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.41.10
+version: 0.41.11
 icon: https://argo-workflows.readthedocs.io/en/stable/assets/logo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -16,5 +16,5 @@ annotations:
     fingerprint: 2B8F22F57260EFA67BE1C5824B11F800CD9D2252
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
-    - kind: changed
-      description: Bump argo-workflows to v3.5.8
+    - kind: fixed
+      description: Add `app:` label to components to match upstream

charts/argo-workflows/templates/_helpers.tpl

@@ -94,6 +94,7 @@ app.kubernetes.io/name: {{ include "argo-workflows.name" .context }}-{{ .name }}
 app.kubernetes.io/instance: {{ .context.Release.Name }}
 {{- if .component }}
 app.kubernetes.io/component: {{ .component }}
+app: {{ .component }}
 {{- end }}
 {{- end }}