build

Add a --use-destination-message option to `jj squash` #10205

Job	Run time
Check protos	56s
build (ubuntu-latest)	4m 22s
build (macos-14)	3m 33s
Check formatting	18s
build (windows-latest)	10m 12s
build (ubuntu-latest, --all-features)	5m 13s
cargo-deny (advisories)	24s
Clippy check	2m 34s
cargo-deny (bans licenses sources)	27s
Check that MkDocs can build the docs	29s
Check that MkDocs can build the docs with Poetry 1.3.2	41s
	29m 9s

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