Really Simple SSL Pro - WordPress SSL Certificate 9.3.1

* New: Password Protection
* New: Limit Login attempts
* Improvement: allow 2FA login by clicking the button in the email
* Improvement: move mailer include for performance
* Improvement: initialize users on 2fa
* Fix: check variable $rule if it is an array, for php 8 compatibility

* Fix: including required additional files

* New: two step login authentication with email
* Improvement: don't add rules to advanced-headers.php when empty
* Improvement: prevent duplicate headers in advanced-headers.php
* Improvement: Frame Ancestors default set to self
* Improvement: check if the Elementor function replace_urls function exists for compatibility with older versions
* Fix: wp-engine compatibility with database prefix change

* Improvement: allow 'HEAD' in http method restrictions
* Improvement: add notice about W3TC compatiblity

Fix: change login url functionality not working in 7.0

* New: Vulnerability Detection is in Beta - [Read more](https://really-simple-ssl.com/vulnerability-detection/)

Improvement: stop trying the database rename if it fails on first attempt

Fix: rename db prefix using not available function

* Fix: follow redirects in third party header detection.

* Fix: prefix replacement in wp-config too broad, causing issues if wp_ is used other then in the prefix.
* Fix: Update prefix site_id in user roles when changing the database prefix, to preserve capabilities for users in subsites