Update copyright years.

debian/changelog

@@ -6,6 +6,7 @@ lxqt-notificationd (1.3.0-0ubuntu1) UNRELEASED; urgency=medium
   * I guess we don't require root to build, do we?
   * Bad trailing whitespace.
   * Remove redundant build flags.
+  * Update copyright years.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Thu, 10 Aug 2023 16:38:52 -0500
 

debian/copyright

@@ -3,7 +3,7 @@ Upstream-Name: lxqt-notificationd
 Source: https://github.com/lxqt/lxqt-notificationd
 
 Files: *
-Copyright: 2012-2018 LXQt team
+Copyright: 2012-2023 LXQt team
            2010-2012 Razor team
 License: LGPL-2.1+
 
@@ -14,7 +14,7 @@ Copyright: 2012, Alec Moskvin <alecm@gmx.com>
 License: LGPL-2.1+
 
 Files: debian/*
-Copyright: 2021,      Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
+Copyright: 2021-2023, Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
            2014-2018, Alf Gaida <agaida@siduction.org>
            2015,      Andrew Lee (李健秋) <ajqlee@debian.org>
 License: LGPL-2.1+