feat: External Secrets storage for credentials (#6477)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Romain Minaud <romain.minaud@gmail.com>
Co-authored-by: Valya Bullions <valya@n8n.io>
Co-authored-by: Csaba Tuncsik <csaba@n8n.io>
Co-authored-by: Giulio Andreini <g.andreini@gmail.com>
Co-authored-by: Omar Ajoue <krynble@gmail.com>

packages/cli/src/ExternalSecrets/externalSecretsHelper.ee.ts

@@ -0,0 +1,7 @@
+import { License } from '@/License';
+import Container from 'typedi';
+
+export function isExternalSecretsEnabled() {
+	const license = Container.get(License);
+	return license.isExternalSecretsEnabled();
+}