feat: set exit code for non-email authentication to another value

Author: wdzeng

src/exit-code.ts

@@ -3,7 +3,7 @@ export const ALREADY_RECEIVED = 1
 export const NEED_SMS_AUTH = 2
 export const CANNOT_SOLVE_PUZZLE = 3
 export const OPERATION_TIMEOUT_EXCEEDED = 4
-export const NEED_EMAIL_AUTH = 5
+export const NEED_EMAIL_AUTH = 7
 export const LOGIN_DENIED = 6
 export const TOO_MUCH_TRY = 69
 export const INVALID_OPTIONS = 77