cpal

add Copy for SupportedStreamConfigRange (#821) #764

Job	Run time
cargo-publish	12s
clippy-test	1m 9s
rustfmt-check	8s
ubuntu-test	31s
asmjs-wasm32-test (asmjs-unknown-emscripten)	1m 3s
linux-check-and-test-armv7	1m 44s
wasm32-bindgen-test (wasm32-unknown-unknown)	22s
asmjs-wasm32-test (wasm32-unknown-emscripten)	1m 2s
android-check	42s
macos-test	2m 25s
windows-test (x86_64)	2m 17s
wasm32-wasi-test (wasm32-wasi)	15s
windows-test (i686)	2m 12s
android-apk-build	46s
ios-build	3m 10s
wasm-beep-build	16s
	18m 14s

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