Bump actions/checkout from 4.2.0 to 4.2.1 #201

Job	Run time
build (windows-2019, x64-Debug, amd64)	1m 50s
build (windows-2019, x64-Release, amd64)	1m 38s
build (windows-2022, x64-Debug, amd64)	2m 15s
build (windows-2022, x64-Release, amd64)	2m 6s
build (windows-2019, x86-Debug, amd64_x86)	1m 42s
build (windows-2019, x86-Release, amd64_x86)	2m 11s
build (windows-2022, x86-Debug, amd64_x86)	2m 8s
build (windows-2022, x86-Release, amd64_x86)	2m 28s
build (windows-2022, x64-Debug-Clang, amd64)	2m 3s
build (windows-2022, x64-Release-Clang, amd64)	2m 8s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 2s
build (windows-2022, x86-Release-Clang, amd64_x86)	2m 52s
build (windows-2022, arm64-Debug, amd64_arm64)	1m 13s
build (windows-2022, arm64-Release, amd64_arm64)	2m 19s
build (windows-2022, arm64ec-Debug, amd64_arm64)	2m 6s
build (windows-2022, arm64ec-Release, amd64_arm64)	2m 23s
	33m 24s

Provide feedback