Watkinsong

Fixes two deprecated notices: ``` PHP Deprecated: Creation of dynamic property Gregwar\\Captcha\\CaptchaBuilder::$background is deprecated in vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php on line 430 ``` ``` PHP Deprecated: Implicit conversion from float 39.5 to int...

PostgreSQL driver should not be hard-coded to public schema

1

#### What are you trying to achieve? In src/Codeception/Lib/Driver/PostgreSql.php, the schema is hard-coded to "public" in method cleanup. In my setup, where the schema used for testing is not public,...