Update labels for secrets generated by ESO

Chart/templates/externalsecret.yaml

@@ -12,6 +12,9 @@ spec:
   target:
     name: global-secrets
     creationPolicy: Orphan
+    template:
+      labels:
+        app.kubernetes.io/managed-by: External-Secrets
   data:
     - secretKey: COMPOSER_AUTH
       remoteRef:
@@ -40,6 +43,8 @@ spec:
   target:
     name: pull-secret
     template:
+      labels:
+        app.kubernetes.io/managed-by: External-Secrets
       type: kubernetes.io/dockerconfigjson
       data:
         .dockerconfigjson: "{{`{{ .dockerconfig | toString }}`}}"