chore: put back the separator at the beginning

As it better reflect the fact this template can generate multiple secrets.

Signed-off-by: Hervé Le Meur <[email protected]>

charts/keycloak/templates/secrets.yaml

@@ -1,4 +1,5 @@
 {{- range $nameSuffix, $values := .Values.secrets }}
+---
 apiVersion: v1
 kind: Secret
 metadata:
@@ -25,5 +26,4 @@ stringData:
   {{- printf "%s: %s" $key (tpl $value $ | quote) | nindent 2 }}
   {{- end }}
 {{- end }}
----
 {{- end -}}