https://www.drupal.org/node/2917655
[9.4.x only] Drop official PHP 7.3 support in Drupal 9.4 [#2917655] | Drupal.org
Apr 14, 2022 - Problem/Motivation PHP 7.3 is now end-of-life, and PHP 7.4 will be end-of-life in Nov. 2022. Drupal 9 will be supported until November 2023. Drupal 9.4 is...