TT#124273 Update packaging for bullseye

- Switch to debhelper compat level 13.
- Switch to Standards-Version 4.5.1.
- Update copyright years.

Change-Id: Ib9779f382227f4de285c60802d8673814b02054c

debian/control

@@ -3,7 +3,7 @@ Section: devel
 Priority: optional
 Maintainer: Sipwise Development Team <support@sipwise.com>
 Build-Depends:
- debhelper-compat (= 12),
+ debhelper-compat (= 13),
  devscripts,
  libcapture-tiny-perl,
  libconfig-tiny-perl,
@@ -23,7 +23,7 @@ Build-Depends:
  python3:any,
 Recommends:
  libgraphviz-perl,
-Standards-Version: 3.9.8
+Standards-Version: 4.5.1
 Homepage: https://www.sipwise.com/
 
 Package: kamailio-config-tests

debian/copyright

@@ -4,7 +4,7 @@ Upstream-Name: kamailio-config-tests
 
 Files: *
 Copyright:
- Copyright © 2013-2019 Sipwise GmbH, Austria
+ Copyright © 2013-2021 Sipwise GmbH, Austria
 License: GPL-3.0+
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by