contributing: update the commit guidelines #3646

Job	Run time
Provide additional context for the workflow	5s
Build release binaries (Linux)	11m 49s
Build release binaries (macOS)	9m 41s
Build source archive	4m 31s
Build and test tooling (Linux)	4m 24s
Build and test tooling (macOS)	5m 22s
Test the compiler and stdlib (Linux, batch #0)	8m 39s
Test the compiler and stdlib (Linux, batch #1)	8m 12s
Test the compiler and stdlib (macOS, batch #0)	10m 57s
Test the compiler and stdlib (macOS, batch #1)	10m 47s
Build docs and release artifacts (Linux)	13m 41s
Build docs and release artifacts (macOS)	20m 21s
Build release artifacts from source archive (Linux)	16m 32s
Build release artifacts from source archive (macOS)	14m 37s
Test release artifacts	2m 4s
All check passed	1s
	2h 21m 43s

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