build

copy-tracking: improve --summary and add --stat #13229

Job	Run time
Check protos	50s
Build jj-lib without Git support	55s
build (ubuntu-latest)	4m 39s
Check formatting	20s
build (macos-14)	3m 21s
build (windows-latest)	11m 4s
cargo-deny (advisories)	23s
build (ubuntu-latest, --all-features)	5m 25s
Clippy check	2m 46s
cargo-deny (bans licenses sources)	33s
Check that MkDocs can build the docs with Poetry 1.8	29s
Check that MkDocs can build the docs	32s
	31m 17s

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