TT#124273 Update packaging for bullseye

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

Change-Id: Ie5539d612c6767457504c1ab728ce12c4c66d420

debian/control

@@ -2,10 +2,10 @@ Source: ngrep-sip
 Section: net
 Priority: optional
 Maintainer: Sipwise Development Team <support@sipwise.com>
-Standards-Version: 3.9.8
+Standards-Version: 4.5.1
 Homepage: https://www.sipwise.com/
 Build-Depends:
- debhelper-compat (= 12),
+ debhelper-compat (= 13),
 
 Package: ngrep-sip
 Architecture: all

debian/copyright

@@ -10,7 +10,7 @@ License: GPL-3+
 
 Files: debian/*
 Copyright:
- Copyright © 2012-2019 Sipwise GmbH, Austria
+ Copyright © 2012-2021 Sipwise GmbH, Austria
 License: GPL-3+
 
 License: GPL-3+