build

nix: add name to devshell #17390

Job	Run time
Build jj-lib without Git support	43s
Run doctests	2m 16s
cargo-deny (advisories)	22s
build (ubuntu-latest)	4m 59s
Check protos	34s
Clippy check	2m 42s
cargo-deny (bans licenses sources)	24s
build (macos-13)	5m 34s
Check that MkDocs can build the docs	11s
build (macos-14)	4m 3s
Check that MkDocs can build the docs with latest Python and uv	10s
Check formatting	15s
build (windows-latest)	10m 25s
build (ubuntu-latest, --all-features)	5m 53s
	38m 31s

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