Add CI test for no `libm` on the host #3030

Job	Run time
Lint	2m 34s
cargo-deny	1m 21s
Test (ubuntu-20.04-16core, x86_64-unknown-linux-gnu)	4m 25s
Test (windows-2022-16core, x86_64-pc-windows-msvc)	5m 28s
Test (macOS-latest-xl, x86_64-apple-darwin)	5m 43s
Test (ubuntu-20.04-16core, aarch64-linux-android, x86_64-unknown-linux-gnu)	4m 9s
test_success	0s
	23m 40s

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