Release/zcash primitives 0.21 #6284

Job	Run time
Test no-Orchard on Linux	4m 36s
Test no-Orchard on macOS	6m 58s
Test Orchard on Linux	3m 45s
Test Orchard on macOS	10m 22s
Bitrot check	1m 33s
Test NU7 on Linux	4m 53s
Latest build on ubuntu-latest	2m 0s
Test no-Orchard on Windows	10m 51s
Latest build on windows-latest	4m 27s
Test Orchard on Windows	13m 55s
Latest build on macOS-latest	3m 10s
Test NU7 on Windows	12m 2s
Build target wasm32-wasi	52s
Check ZFuture build on Linux	2m 2s
Check ZFuture build on macOS	1m 30s
Slow Test Orchard on Linux	5m 10s
Check ZFuture build on Windows	6m 21s
Clippy (MSRV)	1m 18s
Slow Test NU7 on Linux	4m 54s
Code coverage	1h 33m 32s
Clippy (beta)	14s
Intra-doc links	2m 15s
protobuf consistency	1m 7s
Rustfmt	16s
UUID validity	2s
Required status checks have passed	1s
	3h 18m 6s

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