Update: getrandom v0.3.0 rc.0 (#1541) #1204

Job	Run time
Check doc	32s
Check Clippy and rustfmt	26s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	1m 3s
test (macos-latest, x86_64-apple-darwin, stable)	54s
test (windows-latest, x86_64-pc-windows-gnu, stable)	2m 12s
test (windows-latest, x86_64-pc-windows-msvc, beta)	1m 58s
test (ubuntu-latest, x86_64-unknown-linux-gnu, MSRV, 1.63.0)	1m 41s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	1m 13s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	1m 1s
test-ios	22s
test-cross (ubuntu-latest, powerpc-unknown-linux-gnu, stable)	1m 21s
test-miri	5m 4s
test-no-std	15s
	18m 2s

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