Compile musl using stable version #148

Job	Run time
build-macos	6m 5s
build-linux (x86_64-unknown-linux-gnu)	3m 42s
build-linux-musl (x86_64-unknown-linux-musl)	4m 27s
build-linux (aarch64-unknown-linux-gnu)	4m 1s
build-android (aarch64-linux-android)	2m 48s
build-linux-musl (aarch64-unknown-linux-musl)	4m 45s
build-linux (armv7-unknown-linux-gnueabihf)	3m 58s
build-android (armv7-linux-androideabi)	2m 50s
build-windows (x86_64-pc-windows-msvc)	9m 50s
build-linux-musl (armv7-unknown-linux-musleabihf)	4m 34s
build-android (x86_64-linux-android)	2m 47s
build-windows (i686-pc-windows-msvc)	9m 55s
	59m 42s

Provide feedback