Be explicit about CPAL color space #1870

Job	Run time
cargo clippy (windows-latest)	2m 25s
cargo check (aarch64-android)	24s
cargo check (msrv) (wasm32)	38s
cargo clippy (macos-latest)	1m 33s
cargo check (msrv) (windows-latest)	1m 19s
cargo clippy (ubuntu-latest)	1m 30s
cargo check (msrv) (macos-latest)	48s
cargo clippy (wasm32)	1m 16s
cargo doc	1m 42s
cargo check (msrv) (ubuntu-latest)	43s
formatting	21s
Prime LFS Cache	6s
typos	5s
cargo test (wasm32)	26s
cargo test (windows-latest)	1m 59s
cargo test (macos-latest)	1m 15s
cargo test (ubuntu-latest)	3m 20s
	19m 50s

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