[Task]: Add a captcha before being able to access the support email on AMO

[helloyanis]

Description

As an add-on developer, I often make specific email adresses for my add-ons and put them in the "Support email" section of AMO. However, it seems like there are scraper and spam bots that look at these as it is an adress I put nowhere else and I constantly receive spam on it.

I would like it if there was a captcha or some bot prevention mechanism so that they wouldn't be able to easily access your email anymore.

Acceptance Criteria

• Don't return the email directly when loading the extension page
• When the user clicks on "Support email", don't directly link to a mailto: link
• Instead, ask for a captcha (or use something like Cloudflare or Google's captcha) so bots can no longer read your email

┆Issue is synchronized with this Jira Task