guix: Enable CET for `binutils` package #3001

Job	Run time
Win64 native, VS 2022	1h 51m 41s
macOS 13 native, x86_64, no depends, sqlite only, gui	45m 30s
ASan + LSan + UBSan + integer, no depends, USDT	34m 12s
test each commit	0s
	3h 11m 23s

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