Update references to HTTPS Everywhere

On https://community.torproject.org/relay/community-resources/tor-abuse-templates/,

Hacked Gmail, Web Forum, or Misc Account Access

....

To help protect yourself while using open wireless, consider using this Firefox plugin: <https://www.eff.org/https-everywhere/> and encourage the site maintainer to support HTTPS logins.

We should update the reference to HTTPS Everywhere and highlight HTTPS-Only mode built into browser(s) (see, https://tb-manual.torproject.org/secure-connections/)

(thanks to translator Himmel for pointing this out! 🙂)