fix(extra-manifests): fix helm lint error when extraObjecrts is defined

Signed-off-by: Grégory SANCHEZ <gregory.sanchez@icloud.com>

charts/argo-rollouts/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v1.5.1
 description: A Helm chart for Argo Rollouts
 name: argo-rollouts
-version: 2.31.2
+version: 2.31.3
 home: https://github.com/argoproj/argo-helm
 icon: https://argoproj.github.io/argo-rollouts/assets/logo.png
 keywords:
@@ -19,4 +19,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: fixed
-      description: Fix use prometheus metrics service
+      description: Fix helm lint error when `extraObjects` is defined

charts/argo-rollouts/templates/extra-manifests.yaml

@@ -1,6 +1,6 @@
 {{ range .Values.extraObjects }}
 ---
-{{- if typeIs "string" . }}
+{{ if typeIs "string" . }}
     {{- tpl . $ }}
 {{- else }}
     {{- tpl (toYaml .) $ }}