Document automated release process #382

Job	Run time
Test Suite (ubuntu-latest)	29s
Test Suite (windows-latest)	1m 54s
Rustfmt (stable)	7s
Clippy (stable)	17s
Test Suite (macOS-latest)	1m 10s
Check (stable)	10s
Miri	58s
Test Suite (stable)	27s
Test Suite	2m 2s
Test Suite (stable, --no-default-features)	33s
Test Suite (stable, --features track-caller)	32s
Test Suite (stable, --features pyo3)	52s
Test Suite (stable, --features auto-install)	38s
Test Suite (--no-default-features)	1m 56s
Test Suite (stable, --all-features)	28s
Test Suite (--features track-caller)	1m 56s
Test Suite (beta)	36s
Test Suite (--features auto-install)	1m 55s
Test Suite (beta, --no-default-features)	36s
Test Suite (beta, --features track-caller)	35s
Test Suite (beta, --features pyo3)	38s
Test Suite (beta, --features auto-install)	36s
Test Suite (beta, --all-features)	38s
Test Suite (nightly)	44s
Test Suite (nightly, --no-default-features)	42s
Test Suite (nightly, --features track-caller)	45s
Test Suite (nightly, --features pyo3)	47s
Test Suite (nightly, --features auto-install)	44s
Test Suite (nightly, --all-features)	43s
	24m 28s

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