Set /std:c17 on windows #61

Job	Run time
build (linux, single, x86_64, template_debug, ubuntu-20.04)	9m 14s
build (windows, single, x86_32, template_debug, windows-latest)	4m 11s
build (windows, single, x86_64, template_debug, windows-latest)	14m 25s
build (macos, single, universal, template_debug, macos-latest)	7m 37s
build (android, single, arm64, template_debug, ubuntu-20.04)	6m 30s
build (android, single, arm32, template_debug, ubuntu-20.04)	8m 11s
build (android, single, x86_64, template_debug, ubuntu-20.04)	6m 39s
build (android, single, x86_32, template_debug, ubuntu-20.04)	7m 49s
build (ios, single, arm64, template_debug, macos-latest)	5m 13s
build (web, single, wasm32, template_debug, ubuntu-20.04)	11m 29s
build (linux, single, x86_64, template_release, ubuntu-20.04)	8m 9s
build (linux, double, x86_64, template_debug, ubuntu-20.04)	8m 22s
build (windows, double, x86_32, template_debug, windows-latest)	3m 49s
build (windows, double, x86_64, template_debug, windows-latest)	3m 52s
build (macos, double, universal, template_debug, macos-latest)	8m 36s
build (android, double, arm64, template_debug, ubuntu-20.04)	6m 40s
build (android, double, arm32, template_debug, ubuntu-20.04)	7m 56s
build (android, double, x86_64, template_debug, ubuntu-20.04)	7m 57s
build (android, double, x86_32, template_debug, ubuntu-20.04)	7m 49s
build (ios, double, arm64, template_debug, macos-latest)	5m 11s
build (web, double, wasm32, template_debug, ubuntu-20.04)	11m 22s
build (linux, double, x86_64, template_release, ubuntu-20.04)	8m 12s
merge	0s
	2h 49m 13s

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