PHP Version 8.3.3 - One deprecation error.

Hi dear Mr. Ofer Wald, I wanted to report this deprecation error in PHP Version 8.3.3 thank you.

### SYSTEM DATA:

S.O.: Linux - Ubuntu Server 22.04.4 LTS

Kernel: Version 5.15.0-97-generic

Web Server: Open Lite Speed Version 1.7.19

Database: MariaDB Version 10.11.6

PHP: PHP Version 8.3.3

CMS: WordPress Version 6.4.3

WordPress Plugin: Transposh Translation Filter Version 1.0.9.3

Hosting Control Panel: Enhance Control Panel Version 10.5 with AppCD Version 2.4.0

### HOW TO REPLICATE THE ERROR:

1 - Enable the Debug functions on WordPress;
2 - Install the WordPress Plugin "Query Monitor."
3 - Activate the WordPress Plugin "Query Monitor";
4 - In WordPress, in the top bar of "Query Monitor" click on "PHP Errors" in the drop-down menu.

### PHP DEPRECATION ERROR:

Level: Deprecated

Message: Creation of dynamic property transposh_plugin::$mail is deprecated

Location: wp-content/plugins/transposh-translation-filter-for-wordpress/transposh.php:131

WordPress Plugin: Transposh Translation Filter Version 1.0.9.3

I'm waiting for your reply, thank you.

oferwald / transposh