fixup! Displaying version information in tests was going to go stale …

…quick

src/AuditCommand.php

@@ -309,7 +309,7 @@ private static function clearLine(OutputInterface $output): void
      */
     private static function isUnderTest(): bool
     {
-        $value = filter_var(getenv('COMPOSER_AUDIT_TEST'), \FILTER_VALIDATE_BOOL);
+        $value = filter_var(getenv('COMPOSER_AUDIT_TEST'), \FILTER_VALIDATE_BOOLEAN);
 
         return $value !== null ? $value : false;
     }