build

Add a --use-destination-message option to `jj squash` #10206

Job	Run time
Check protos	1m 23s
build (ubuntu-latest)	4m 15s
cargo-deny (advisories)	54s
build (macos-14)	3m 37s
cargo-deny (bans licenses sources)	26s
Clippy check	2m 23s
build (windows-latest)	7m 33s
Check that MkDocs can build the docs	25s
build (ubuntu-latest, --all-features)	5m 26s
Check that MkDocs can build the docs with Poetry 1.3.2	38s
Check formatting	28s
	27m 28s

Provide feedback