build

docs `branches.md`: explain the new defaults and reorganize #8632

Job	Run time
build (ubuntu-latest)	4m 57s
cargo-deny (advisories)	27s
build (macos-13)	4m 55s
cargo-deny (bans licenses sources)	27s
build (windows-latest)	6m 50s
build (ubuntu-latest, --all-features)	5m 52s
Check protos	38s
Clippy check	2m 16s
Check that MkDocs can build the docs	30s
Check that MkDocs can build the docs with Poetry 1.3.2	31s
Check formatting	14s
	27m 37s

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