Merge pull request #135 from zkcrypto/ci-updates #311

Job	Run time
Rustfmt	16s
Bitrot check	2m 26s
Intra-doc links	2m 5s
Check no-std target thumbv6m-none-eabi	2m 4s
Test latest on ubuntu-latest	38s
Check no-std target wasm32-unknown-unknown	2m 1s
Test MSRV on ubuntu-latest	2m 55s
Test latest on windows-latest	2m 7s
Check no-std target wasm32-wasi	2m 1s
Test MSRV on windows-latest	5m 4s
Test latest on macOS-latest	40s
Test MSRV on macOS-latest	2m 20s
	24m 37s

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