build

add author_date and committer_date revset functions #12328

Job	Run time
build (ubuntu-latest)	4m 0s
Build jj-lib without Git support	48s
build (macos-14)	3m 27s
Check protos	43s
build (windows-latest)	9m 50s
Check that MkDocs can build the docs	33s
build (ubuntu-latest, --all-features)	5m 12s
cargo-deny (advisories)	22s
cargo-deny (bans licenses sources)	23s
Clippy check	2m 41s
Check that MkDocs can build the docs with Poetry 1.8	21s
Check formatting	13s
	28m 33s

Provide feedback