Rust

uefi: change `Fn` closure to `FnMut` #6820

Job	Run time
Integration Test (x86_64 Windows)	4m 39s
Build (stable MSRV)	30s
Unit + Doc Tests	42s
Build (uefi-raw MSRV)	26s
Unit + Doc Tests (Miri)	1m 16s
Build Standard Binary (nightly)	30s
Integration Test (x86_64)	1m 17s
Integration Test (IA-32)	1m 36s
Integration Test (AArch64)	1m 22s
Nightly (build, test, doc)	1m 35s
Build (feature permutations)	3m 51s
Test Coverage	36s
	18m 20s

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