DEVELOPERS: add Giulio Benetti to package qt5

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1149,6 +1149,7 @@ F:	package/minicom/
 F:	package/mmc-utils/
 F:	package/nfs-utils/
 F:	package/python-uvloop/
+F:	package/qt5/
 F:	package/rockchip-mali/
 F:	package/rtl8189es/
 F:	package/rtl8723bu/