build

add author_date and committer_date revset functions #12330

Job	Run time
build (ubuntu-latest)	4m 0s
build (macos-14)	3m 4s
Build jj-lib without Git support	44s
build (windows-latest)	8m 48s
build (ubuntu-latest, --all-features)	5m 9s
cargo-deny (advisories)	26s
cargo-deny (bans licenses sources)	21s
Check protos	33s
Check that MkDocs can build the docs	26s
Check that MkDocs can build the docs with Poetry 1.8	22s
Check formatting	15s
Clippy check	2m 23s
	26m 31s

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