Bump kvm-ioctl to 0.19.1 #411

Job	Run time
spell check with typos	3s
docs-pr	2s
build-on-windows (windows-debug)	1s
build-on-linux (linux-kvm-debug)	1s
build-on-windows (windows-release)	1s
build-on-linux (linux-kvm-release)	1s
build-on-linux (linux-hyperv-debug)	1s
build-on-linux (linux-hyperv-release)	1s
fuzzing / fuzz	1s
rust / build (hyperv, amd, debug)	1s
rust / build (hyperv, amd, release)	1s
rust / build (hyperv, intel, debug)	1s
rust / build (hyperv, intel, release)	1s
rust / build (mshv, amd, debug)	1s
rust / build (mshv, amd, release)	1s
rust / build (mshv, intel, debug)	1s
rust / build (mshv, intel, release)	1s
rust / build (kvm, amd, debug)	1s
rust / build (kvm, amd, release)	1s
rust / build (kvm, intel, debug)	1s
rust / build (kvm, intel, release)	1s
	24s

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