Update: getrandom v0.3.0 rc.0 #1203

Job	Run time
test-cross (ubuntu-latest, powerpc-unknown-linux-gnu, stable)	1m 23s
Check doc	31s
Check Clippy and rustfmt	19s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	1m 9s
test (macos-latest, x86_64-apple-darwin, stable)	58s
test-miri	5m 4s
test (windows-latest, x86_64-pc-windows-gnu, stable)	2m 4s
test (windows-latest, x86_64-pc-windows-msvc, beta)	2m 3s
test (ubuntu-latest, x86_64-unknown-linux-gnu, MSRV, 1.63.0)	1m 39s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	1m 18s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	1m 4s
test-ios	26s
test-no-std	13s
	18m 11s

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