uguid

uguid is used at run time in 10 crates. It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps)			uguid version
32K	7	uefi		^2.1.0
13K	2	uefi-raw		^2.1.0
3.2K	1	gpt_disk_types		^2.1.0