Create regenerate-windows-sys.yml #1565

Job	Run time
Test (stable)	27s
Test (beta)	1m 12s
Test (nightly)	1m 10s
Test (linux32)	1m 13s
Test (macos)	2m 17s
Test CUDA support	31s
Test (aarch64-macos)	1m 10s
Test build-std (aarch64-tvos)	3m 36s
Test build-std (aarch64-tvos-sim)	2m 11s
Test (aarch64-ios)	40s
Test build-std (x86_64-tvos)	1m 50s
MSRV (ubuntu-latest)	24s
Test (win32)	1m 40s
MSRV (windows-latest)	35s
Test (win64)	2m 39s
Test (mingw32)	1m 34s
Clippy	17s
Test (mingw64)	2m 9s
Test (windows-2019)	3m 48s
Rustfmt	8s
Test (windows-aarch64, windows-latest, stable, aarch64-pc-windows-msvc, --no-run)	2m 27s
Test (windows-clang, windows-2019, stable, x86_64-pc-windows-msvc, clang, clang++)	2m 28s
Test (windows-clang-cl, windows-2019, stable, x86_64-pc-windows-msvc, clang-cl, clang-cl)	2m 27s
semver-checks	8s
	37m 1s

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