fix(argocd-apps): fix issues

Signed-off-by: irizzant <i.rizzante@gmail.com>

charts/argocd-apps/Chart.yaml

@@ -18,4 +18,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: added
-      description: make the chart use maps instead of lists
+      description: make the chart use maps instead of lists

charts/argocd-apps/templates/applications.yaml

@@ -1,4 +1,4 @@
-{{- range $k, _:= .Values.applications }}
+{{- range $k, $v:= .Values.applications }}
 ---
 apiVersion: argoproj.io/v1alpha1
 kind: Application

charts/argocd-apps/templates/item-templates.yaml

@@ -1,4 +1,4 @@
-{{- range $k, _:= .Values.itemTemplates }}
+{{- range _, _:= .Values.itemTemplates }}
 {{- if kindIs "string" .template }}
 {{- $template := .template -}}
 {{- range .items }}