Release debhelper version 13.3.4+apertis3

Signed-off-by: Ryan Gonzalez <ryan.gonzalez@collabora.com>

debian/changelog

+debhelper (13.3.4+apertis3) apertis; urgency=medium
+
+  * dh_dwarf2sources: Rename to 'dh_setup_copyright'
+  * dh_setup_copyright: Copy in copyright information from external sources
+
+ -- Ryan Gonzalez <ryan.gonzalez@collabora.com>  Tue, 05 Apr 2022 11:18:00 -0500
+
 debhelper (13.3.4+apertis2) apertis; urgency=medium
 
   * dh_dwarf2sources: Add arch suffix to bin2sources filename