Update the 'lastversion' version we install
Update the 'lastversion' version we install

This fixes an issue where it could actually return an older version
if that version was the most recently published

This was causing us to install symfony/config v4.4.30 when we should
be installing v5.3.4

bugsnag/bugsnag-symfony,bugsnag/bugsnag-symfony,bugsnag/bugsnag-symfony,bugsnag/bugsnag-symfony