build

tests: split cli/tests to separate crate, remove test-fakes feature (… #97

Job	Run time
build (ubuntu-latest)	5m 25s
cargo-deny (advisories)	28s
build (macos-13)	10m 10s
Check protos	28s
Build jj-lib without Git support	44s
cargo-deny (bans licenses sources)	21s
build (macos-14)	5m 19s
build (windows-latest)	5m 54s
Clippy check	2m 41s
build (ubuntu-latest, --all-features)	6m 21s
Check that MkDocs can build the docs	25s
Check that MkDocs can build the docs with Poetry 1.8	21s
Check formatting	19s
	38m 56s

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