Add ZSA features #4118

Job	Run time
Rustfmt	14s
Build target wasm32-wasi	5m 30s
Intra-doc links	5m 18s
Build target wasm32-unknown-unknown	5m 35s
Test on i686-unknown-linux-gnu	27m 55s
Test on i686-unknown-linux-gnu with nightly features	26m 0s
Test on i686-unknown-linux-gnu with beta features	25m 32s
Bitrot check	2m 26s
Book tests	5m 8s
Code coverage	3h 28m 11s
Test on windows-latest	17m 58s
Test on ubuntu-latest	14m 21s
Test on ubuntu-latest with nightly features	14m 25s
Test on windows-latest with nightly features	18m 42s
Test on macOS-latest	12m 51s
Test on macOS-latest with beta features	15m 13s
Test on ubuntu-latest with beta features	14m 15s
Test on windows-latest with beta features	18m 2s
Test on macOS-latest with nightly features	13m 34s
	7h 31m 10s

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