build

next/prev: Implement `next/prev --conflict` #11882

Job	Run time
build (ubuntu-latest)	3m 58s
Check formatting	23s
Build jj-lib without Git support	42s
build (macos-14)	3m 2s
cargo-deny (advisories)	22s
cargo-deny (bans licenses sources)	24s
Check protos	1m 17s
build (windows-latest)	10m 19s
Clippy check	2m 38s
build (ubuntu-latest, --all-features)	5m 4s
Check that MkDocs can build the docs	51s
Check that MkDocs can build the docs with Poetry 1.8	30s
	29m 30s

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