Use hasJson method if it exists (fixes Oracle driver)

      // Check JSON support in database.
      $class = 'no-known-error';
      $requirement = $this->t('Supported.');
      try {
        +if (!method_exists($this->database, 'hasJson') || !$this->database->hasJson()) {
          // A hasJson() method was added to Connection from Drupal 9.4.0
          // but we cannot rely on being on Drupal 9.4.x+
          $this->database->query($database_type == 'pgsql' ? 'SELECT JSON_TYPEOF(\'1\')' : 'SELECT JSON_TYPE(\'1\')');
        +}
      }
      catch (\Exception $e) {
        $class = 'known-error';
        $status = FALSE;
        $requirement = $this->t('Not supported.');
      }