build

docs: use bullet lists in revset examples to save vertical space #11812

Job	Run time
Build jj-lib without Git support	44s
Check formatting	14s
Check protos	31s
Check that MkDocs can build the docs	21s
build (ubuntu-latest)	4m 9s
build (macos-14)	3m 34s
cargo-deny (advisories)	22s
build (windows-latest)	9m 7s
Clippy check	2m 26s
build (ubuntu-latest, --all-features)	4m 57s
cargo-deny (bans licenses sources)	21s
Check that MkDocs can build the docs with Poetry 1.8	23s
	27m 9s

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