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/workflow/test/Helpers.ts

@@ -125,6 +125,7 @@ export class CredentialsHelper extends ICredentialsHelper {
 	}
 
 	async getDecrypted(
+		additionalData: IWorkflowExecuteAdditionalData,
 		nodeCredentials: INodeCredentialsDetails,
 		type: string,
 	): Promise<ICredentialDataDecryptedObject> {