cli: workspace update-stale: set description on recovery commit #15379

Job	Run time
Check formatting	18s
Build jj-lib without Git support	49s
Check protos	39s
cargo-deny (advisories)	25s
build (ubuntu-latest)	4m 47s
cargo-deny (bans licenses sources)	25s
Clippy check	2m 36s
Check that MkDocs can build the docs	22s
build (macos-13)	11m 48s
build (macos-14)	5m 30s
Check that MkDocs can build the docs with Poetry 1.8	21s
build (windows-latest)	10m 28s
build (ubuntu-latest, --all-features)	5m 51s
	44m 19s

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