Bump cc from 1.2.4 to 1.2.7 #424

Job	Run time
docs-pr	3s
spell check with typos	4s
build-on-windows (windows-debug)	38s
build-on-linux (linux-kvm-debug)	1m 31s
build-on-windows (windows-release)	36s
build-on-linux (linux-kvm-release)	1m 40s
build-on-linux (linux-hyperv-debug)	1m 13s
build-on-linux (linux-hyperv-release)	1m 22s
fuzzing / fuzz	10m 17s
rust / build (hyperv, amd, debug)	10m 7s
rust / build (hyperv, amd, release)	10m 13s
rust / build (hyperv, intel, debug)	10m 15s
rust / build (hyperv, intel, release)	10m 27s
rust / build (mshv, amd, debug)	10m 22s
rust / build (mshv, amd, release)	10m 33s
rust / build (mshv, intel, debug)	10m 19s
rust / build (mshv, intel, release)	9m 57s
rust / build (kvm, amd, debug)	10m 13s
rust / build (kvm, amd, release)	8m 55s
rust / build (kvm, intel, debug)	8m 57s
rust / build (kvm, intel, release)	10m 14s
	2h 17m 56s

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