cpal

Make Platform Impl SupportedConfigs `Clone` (#954) #1039

Job	Run time
rustfmt-check	6s
cargo-publish	30s
ubuntu-test	46s
windows-test (x86_64)	3m 29s
windows-test (i686)	3m 46s
macos-test	51s
android-apk-build	1m 46s
android-check	43s
asmjs-wasm32-test (wasm32-unknown-emscripten)	58s
linux-check-and-test-armv7	1m 37s
wasm32-bindgen-test (wasm32-unknown-unknown)	29s
wasm-beep-build	40s
wasm32-wasi-test (wasm32-wasip1)	23s
clippy-test	48s
ios-build	4m 11s
	21m 3s

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