build

refactor: Roll our own hex utils #14584

Job	Run time
build (ubuntu-latest)	4m 28s
Build jj-lib without Git support	41s
build (macos-13)	9m 54s
Check protos	25s
build (macos-14)	4m 17s
Check formatting	16s
build (windows-latest)	10m 8s
build (ubuntu-latest, --all-features)	5m 30s
cargo-deny (advisories)	24s
cargo-deny (bans licenses sources)	23s
Clippy check	2m 32s
Check that MkDocs can build the docs	28s
Check that MkDocs can build the docs with Poetry 1.8	28s
	39m 54s

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