build

Updated copy-tracing proposal to handle conflicts #17155

Job	Run time
build (ubuntu-latest)	5m 15s
build (macos-13)	8m 14s
build (macos-14)	4m 58s
Build jj-lib without Git support	56s
build (windows-latest)	11m 4s
build (ubuntu-latest, --all-features)	6m 35s
Check protos	45s
Check formatting	24s
cargo-deny (advisories)	27s
Clippy check	2m 48s
Check that MkDocs can build the docs	16s
cargo-deny (bans licenses sources)	27s
Check that MkDocs can build the docs with latest Python and uv	24s
	42m 33s

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