Captcha stage

This stage incorporates a validation mechanism utilizing Google's ReCaptcha or other comparable services. The present supported versions are ReCaptcha, hCaptcha, and Turnstile.

This stage has two required fields: Public key and private key. These can both be acquired at https://www.google.com/recaptcha/admin.

Documentation available here https://docs.hcaptcha.com/switch/

Documentation available here https://developers.cloudflare.com/turnstile/get-started/migrating-from-recaptcha