Does not work on [D9]

@kazah & @zapaaron, feel free to try the steps from this comment: #7 📌 Automated Drupal 9 compatibility fixes Needs review

I want co-maintainership and I promise to abide by the conditions of the Open Ownership Pledge as described. I have provided patches for one of the corresponding issues.

Try patching it with patch from https://www.drupal.org/project/feeds_para_mapper/issues/3244189#comment-... 📌 Error: Call to undefined method Drupal\feeds\TargetDefinition::getFieldDefinition() Needs review . I have it working on mine.