Error: Cannot call abstract method Drupal\Core\Messenger\MessengerInterface::addMessage() in animate_css_install()

Problem/Motivation

Error on install
[error] Error: Cannot call abstract method Drupal\Core\Messenger\MessengerInterface::addMessage() in animate_css_install() (line 20 of /home/a/Public/d9/web/modules/contrib/animate_css/animate_css.install) #0 [internal function]: animate_css_install()

Steps to reproduce

drush en animate_css

Proposed resolution

replace:
MessengerInterface::addMessage(t('Animate CSS module requires the animate library. <a href=":anim_link">Download animate library</a> and unzip into /libraries/animate.css.', [':anim_link' => DOWNLOAD_URL]));

with:
\Drupal::messenger()->addMessage(t('Animate CSS module requires the animate library. <a href=":anim_link">Download animate library</a> and unzip into /libraries/animate.css.', [':anim_link' => DOWNLOAD_URL]));