Update copyright.

debian/changelog

@@ -4,6 +4,7 @@ libqtxdg (3.9.1-0ubuntu1) UNRELEASED; urgency=medium
   * Bump Standards-version to 4.6.1, no changes needed.
   * Update symbols.
   * Update install files.
+  * Update copyright.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Wed, 25 May 2022 14:50:21 -0500
 

debian/copyright

@@ -54,7 +54,7 @@ Copyright: 2013, Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
 License: BSD-3-clause
 
 Files: debian/*
-Copyright: 2021, Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
+Copyright: 2021-2022, Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
            2013-2018, Alf Gaida <agaida@siduction.org>
            2015, Andrew Lee (李健秋) <ajqlee@debian.org>
            2014-2016, ChangZhuo Chen (陳昌倬) <czchen@debian.org>