Update copyright years.

debian/changelog

@@ -4,6 +4,7 @@ lxqt-policykit (1.3.0-0ubuntu1) UNRELEASED; urgency=medium
   * Bump build dependencies.
   * I guess we don't require root to build, do we?
   * Remove redundant compiler flag.
+  * Update copyright years.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Thu, 10 Aug 2023 16:39:12 -0500
 

debian/copyright

@@ -3,12 +3,12 @@ Upstream-Name: lxqt-policykit
 Source: https://github.com/lxqt/lxqt-policykit
 
 Files: *
-Copyright: 2012-2022 LXQt team
+Copyright: 2012-2023 LXQt team
            2010-2012 Razor team
 License: LGPL-2.1+
 
 Files: debian/*
-Copyright: 2021-2022, Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
+Copyright: 2021-2023, Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
            2014-2019, Alf Gaida <agaida@siduction.org>
            2015,      Yukiharu YABUKI <yyabuki@debian.org>
 License: LGPL-2.1+