OrchardZSA backward compatability 0.8.0 #1283

Job	Run time
Book tests	14s
Bitrot check	2m 22s
Latest build on ubuntu-latest	56s
Build target wasm32-wasi	1m 48s
Latest build on windows-latest	1m 53s
Test on ubuntu-latest	26m 40s
Latest build on macOS-latest	54s
Test on windows-latest	27m 45s
Test on macOS-latest	20m 17s
Code coverage	15m 37s
Intra-doc links	2m 32s
Rustfmt	14s
	1h 41m 12s

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