Bump cc from 1.2.4 to 1.2.7 #422

Job	Run time
spell check with typos	4s
docs-pr	3s
build-on-windows (windows-debug)	47s
build-on-linux (linux-kvm-debug)	1m 23s
build-on-windows (windows-release)	43s
build-on-linux (linux-kvm-release)	1m 14s
build-on-linux (linux-hyperv-debug)	1m 39s
build-on-linux (linux-hyperv-release)	1m 37s
fuzzing / fuzz	9m 48s
rust / build (hyperv, amd, debug)	17m 27s
rust / build (hyperv, amd, release)	25m 19s
rust / build (hyperv, intel, debug)	18m 0s
rust / build (hyperv, intel, release)	23m 15s
rust / build (mshv, amd, debug)	12m 39s
rust / build (mshv, amd, release)	15m 11s
rust / build (mshv, intel, debug)	10m 59s
rust / build (mshv, intel, release)	14m 28s
rust / build (kvm, amd, debug)	13m 22s
rust / build (kvm, amd, release)	15m 38s
rust / build (kvm, intel, debug)	10m 17s
rust / build (kvm, intel, release)	15m 16s
	3h 29m 9s

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