[SECURITY] Fedora 34 Update: php-phpmailer6-6.4.1-1.fc34

PHPMailer - A full-featured email creation and transfer class for PHP Class Features * Probably the world’s most popular code for sending email from PHP! * Used by many open-source projects: WordPress, Drupal, 1CRM, SugarCRM, Yii, Joomla! and many more * Integrated SMTP support - send without a local mail server * Send emails with multiple To, CC, BCC and Reply-to addresses * Multipart/alternative emails for mail clients that do not read HTML email * Add attachments, including inline * Support for UTF-8 content and 8bit, base64, binary, and quoted-printable encodings * SMTP authentication with LOGIN, PLAIN, CRAM-MD5 and XOAUTH2 mechanisms over SSL and SMTP+STARTTLS transports * Validates email addresses automatically * Protect against header injection attacks * Error messages in 47 languages! * DKIM and S/MIME signing support * Compatible with PHP 5.5 and later * Namespaced to prevent name clashes * Much more! Autoloader: /usr/share/php/PHPMailer/PHPMailer6/autoload.php