WordPress Toolkit: PHP on v7.3.22 still get unable to update error

I have multiple websites running on PHP v7.3.22 for which WP Toolkit gives the following error when attempting an update on plugins, themes, and core. The lowest version of PHP enabled on the server is v7.1.33. The issue has recently started occurring within last few weeks. I have not been able to resolve it. I have tried updating a few sites to PHP v7.4.10 but no luck. I can log into WordPress on sites and run updates without error.

Server is running Plesk Obsidian Version 18.0.29 Update...

WordPress Toolkit: PHP on v7.3.22 still get unable to update error