CI: Enable more cross-compiled builds #453

Job	Run time
Get declared MSRV from Cargo.toml	6s
Check code formatting (1.74.0)	14s
Check code formatting (stable)	15s
Test on each target (android-aarch64, 1.74.0)	4m 47s
Check code formatting (nightly)	13s
Test on each target (android-aarch64, stable)	4m 33s
Test on each target (android-aarch64, nightly)	4m 45s
Test on each target (linux-aarch64-gnu, 1.74.0)	4m 36s
Test on each target (linux-aarch64-gnu, stable)	4m 30s
Test on each target (linux-aarch64-gnu, nightly)	4m 33s
Test on each target (linux-aarch64-musl, 1.74.0)	4m 41s
Test on each target (linux-aarch64-musl, stable)	4m 23s
Test on each target (linux-aarch64-musl, nightly)	4m 34s
Test on each target (linux-x64-gnu, 1.74.0)	2m 24s
Test on each target (linux-x64-gnu, stable)	2m 13s
Test on each target (linux-x64-gnu, nightly)	2m 18s
Test on each target (linux-x64-musl, 1.74.0)	2m 19s
Test on each target (linux-x64-musl, stable)	2m 12s
Test on each target (linux-x64-musl, nightly)	2m 17s
Test on each target (macos-aarch64, 1.74.0)	2m 12s
Test on each target (macos-aarch64, stable)	2m 8s
Test on each target (macos-aarch64, nightly)	2m 32s
Test on each target (macos-x64, 1.74.0)	2m 44s
Test on each target (macos-x64, stable)	2m 31s
Test on each target (macos-x64, nightly)	2m 13s
Test on each target (windows-x64-msvc, 1.74.0)	4m 53s
Test on each target (windows-x64-msvc, stable)	5m 12s
Test on each target (windows-x64-msvc, nightly)	5m 6s
	1h 25m 24s

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