Updated the captcha integration to use the hCaptcha API instead of Google reCAPTCHA.
Modified relevant service classes to accommodate the changes in the API.
Please note that the owner needs to update the secret key of hCaptcha and the data site key in the contact form and update the threshold to ensure proper functionality..
fixes #315
Please note that the owner needs to update the secret key of hCaptcha and the data site key in the contact form and update the threshold to ensure proper functionality..