build

describe: warn user of limitations of describing multiple commits interface #12969

Job	Run time
Build jj-lib without Git support	42s
Check protos	23s
Check that MkDocs can build the docs	23s
build (ubuntu-latest)	4m 22s
build (macos-14)	3m 52s
Check that MkDocs can build the docs with Poetry 1.8	27s
Check formatting	16s
build (windows-latest)	9m 31s
build (ubuntu-latest, --all-features)	5m 21s
cargo-deny (advisories)	22s
Clippy check	2m 25s
cargo-deny (bans licenses sources)	21s
	28m 25s

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