git subrepo pull (merge) mailcow/src/mailcow-dockerized

Among other things, this updates Dovecot to 2.3.13, which is a
critical security update.

subrepo: subdir:   "mailcow/src/mailcow-dockerized"
  merged:   "376574d9"
upstream: origin:   "https://github.com/mailcow/mailcow-dockerized.git"
  branch:   "master"
  commit:   "6f14955b"
git-subrepo: version:  "0.4.3"
  origin:   "???"
  commit:   "???"
Change-Id: Idf4859ddaaebf6997afbb0cebffc8bf3f5b902a0
diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/phpmailer/phpmailer/src/Exception.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/phpmailer/phpmailer/src/Exception.php
index b1e552f..a50a899 100644
--- a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/phpmailer/phpmailer/src/Exception.php
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/phpmailer/phpmailer/src/Exception.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * PHPMailer Exception class.
  * PHP Version 5.5.
@@ -9,7 +10,7 @@
  * @author    Jim Jagielski (jimjag) <jimjag@gmail.com>
  * @author    Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
  * @author    Brent R. Matzelle (original founder)
- * @copyright 2012 - 2017 Marcus Bointon
+ * @copyright 2012 - 2020 Marcus Bointon
  * @copyright 2010 - 2012 Jim Jagielski
  * @copyright 2004 - 2009 Andy Prevost
  * @license   http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License