libusb: claim to be version 1.0.16

We are not 100% compatible with 1.0.16, but implement some
functionality from that version that is required by certain ports.

PR:		277799
PR:		279555 (exp-run)
Event:		Kitchener-Waterloo Hackathon 202406
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D45514

lib/libusb/libusb-1.0.pc.in

@@ -6,6 +6,6 @@ includedir=@includedir@
 
 Name: libusb-1.0
 Description: Library that abstracts ways to access USB devices (v1.0)
-Version: 1.0.13
+Version: 1.0.16
 Libs: -L${libdir} -lusb
 Cflags: -I${includedir}