build

run: Flesh out a bare implementation of `jj run`. #12352

Job	Run time
Check protos	31s
Build jj-lib without Git support	46s
build (ubuntu-latest)	1m 40s
cargo-deny (advisories)	25s
build (macos-14)	1m 36s
cargo-deny (bans licenses sources)	24s
Clippy check	2m 37s
Check that MkDocs can build the docs	23s
build (windows-latest)	5m 20s
build (ubuntu-latest, --all-features)	2m 42s
Check that MkDocs can build the docs with Poetry 1.8	21s
Check formatting	14s
	16m 59s

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