Signed-off-by: guoguangwu <guoguangwu@magic-shield.com>
Co-authored-by: Yatish Mehta <yatish@example.com>
Bots easily bypass the simple `nonce` hack. This commit adds support for the hcaptcha.com widget. - New `Security` tab in the admin settings UI. - Enable/disable CAPTCHA. - Render CAPTCHA on the public subscription form. Closes #1116.