OrchardZSA backward compatability 0.8.0 #1266

Job	Run time
Bitrot check	2m 52s
Book tests	14s
Build target wasm32-wasi	2m 27s
Latest build on ubuntu-latest	56s
Latest build on windows-latest	53s
Test on ubuntu-latest	27m 14s
Code coverage	5m 30s
Latest build on macOS-latest	59s
Intra-doc links	3m 14s
Test on windows-latest	28m 48s
Test on macOS-latest	22m 0s
Rustfmt	15s
	1h 35m 22s

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