handle libmcaptcha actor errors

migrations/20210310122154_mcaptcha_users.sql

@@ -1,6 +1,7 @@
 CREATE TABLE IF NOT EXISTS mcaptcha_users (
 	name VARCHAR(100) NOT NULL UNIQUE,
 	email VARCHAR(100) UNIQUE DEFAULT NULL,
+	email_verified BOOLEAN DEFAULT NULL,
     secret varchar(50) NOT NULL UNIQUE,
 	password TEXT NOT NULL,
 	ID SERIAL PRIMARY KEY NOT NULL