reCaptcha v3 doesn’t appear to work

I have configured the integration with my site key and secret and placed the place holder in my form template, however, I am not able to submit the form with success.

Samples would be greatly appreciated –

below is my very simple form –

Your name [text* your-name autocomplete:name]

Your email [email* your-email autocomplete:email]

Subject [text* your-subject]

Your site needs(optional) [textarea your-message]
[recaptcha]

[submit “Submit”]

The page I need help with: [log in to see the link]