build

docs `branches.md`: explain the new defaults and reorganize #8353

Job	Run time
cargo-deny (advisories)	27s
build (ubuntu-latest)	4m 40s
cargo-deny (bans licenses sources)	24s
build (macos-13)	5m 27s
build (windows-latest)	6m 32s
Check protos	32s
build (ubuntu-latest, --all-features)	5m 44s
Clippy check	2m 18s
Check that MkDocs can build the docs	22s
Check that MkDocs can build the docs with Poetry 1.3.2	32s
Check formatting	14s
	27m 12s

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