support/scripts/pkg-stats: updated copyright notice

Pretty straightforward. Adds my name to copyright notice.

Signed-off-by: Sen Hastings <sen@phobosdpl.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/scripts/pkg-stats

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 # Copyright (C) 2009 by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+# Copyright (C) 2022 by Sen Hastings <sen@phobosdpl.com>
 #
 # 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