build

Enforce selected clippy lints, and small style fixes #14681

Job	Run time
Build jj-lib without Git support	44s
Check protos	23s
cargo-deny (advisories)	23s
build (ubuntu-latest)	4m 39s
cargo-deny (bans licenses sources)	22s
Clippy check	2m 27s
Check that MkDocs can build the docs	19s
build (macos-13)	7m 51s
build (macos-14)	3m 52s
Check that MkDocs can build the docs with Poetry 1.8	21s
build (windows-latest)	9m 36s
Check formatting	15s
build (ubuntu-latest, --all-features)	5m 27s
	36m 39s

Provide feedback