Bump minimum cmake version to 3.10, fix -Wimplicit-int-float-conversi… #1631

Job	Run time
mingw (mingw64, Release, 17, ON)	15m 22s
msvc (windows-2022, x64, Debug, 17, ON)	6m 50s
mingw (ucrt64, Release, 17, ON)	15m 10s
msvc (windows-2022, x64, Debug, 20, ON)	10m 56s
msvc (windows-2022, x64, Release, 17, ON)	17m 31s
msvc (windows-2022, x64, Release, 20, ON)	21m 44s
msvc (windows-2022, x64, Release, 17, OFF, -DQUILL_NO_EXCEPTIONS=ON -DQUILL_BUILD_TESTS=ON)	3m 3s
msvc (windows-2022, ARM64, Release, 17, OFF)	2m 58s
	1h 33m 34s

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