MC-18766: Merge mainline update pre composer comand

Author: roettigl

dev/tools/UpgradeScripts/pre_composer_update_2.3.php

@@ -237,7 +237,7 @@
         'friendsofphp/php-cs-fixer:~2.14.0 ' .
         'lusitanian/oauth:~0.8.10 ' .
         'magento/magento-coding-standard:~3.0.0 ' .
-        'magento/magento2-functional-testing-framework:~2.4.1 ' .
+        'magento/magento2-functional-testing-framework:~2.4.3 ' .
         'pdepend/pdepend:2.5.2 ' .
         'phpmd/phpmd:@stable ' .
         'phpunit/phpunit:~6.5.0 ' .