Please follow the following to edit your module:
Set Value command is used to get the captcha result, then enter the result to the web page. Please add a RunJavaScriptCode command next to it.
Here is the settings for RunJavaScriptCode command:
Please enter these code to the JavaScript Code option:
function SetReCaptchaResult(Captcha)
{
window.___grecaptcha_cfg.clients[0].ba.l.callback(Captcha);
}
Here is the module you can test too:
https://drive.google.com/file/d/1J8bmNVlNLUBzT44kpQejlqABnXNn2ZQy/view?usp=sharing