update service name as pointed out by @dahousecat

src/Entity/PublicKeyCredentialSource.php

@@ -81,7 +81,7 @@ final class PublicKeyCredentialSource extends ContentEntityBase implements Publi
     }
     $uuid = \Drupal::service('uuid');
     /** @var \Drupal\webauthn_framework\WebauthnInterface $webauthn_framework */
-    $webauthn_framework = \Drupal::service('webauthn.framework');
+    $webauthn_framework = \Drupal::service('webauthn_framework.webauthn');
     $entity_values = [
       'uuid' => $uuid->generate(),
       'uid' => \Drupal::currentUser()->id(),