Disconnect the CI OS detection from the OS version. #2380

Job	Run time
cargo check (aarch64-android)	25s
cargo check (msrv) (windows-latest)	1m 37s
cargo clippy (windows-latest)	5m 21s
cargo check (msrv) (macos-latest)	33s
cargo check (msrv) (wasm32)	17s
cargo clippy (macos-latest)	2m 28s
cargo check (msrv) (ubuntu-latest)	44s
cargo clippy (wasm32)	1m 54s
cargo clippy (ubuntu-latest)	4m 4s
cargo doc	1m 50s
formatting	28s
Prime LFS Cache	7s
cargo test (wasm32)	20s
typos	6s
cargo test (windows-latest)	5m 36s
cargo test (macos-latest)	1m 26s
cargo test (ubuntu-latest)	3m 48s
	31m 4s

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