Add more LGPL-3+ files in whitelist

Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

debian/apertis/copyright.whitelist

 # LGPL-3+ licensed files only used for testing purposes, not distributed
-gio/tests/memory-monitor-portal.py.in
 gio/tests/memory-monitor-dbus.py.in
+gio/tests/memory-monitor-portal.py.in
+gio/tests/power-profile-monitor-dbus.py.in
+gio/tests/power-profile-monitor-portal.py.in