build

cli: include untracked remote branches in default immutable_heads() #12567

Job	Run time
Build jj-lib without Git support	41s
build (ubuntu-latest)	4m 16s
cargo-deny (advisories)	23s
build (macos-14)	3m 24s
Clippy check	2m 23s
Check protos	27s
cargo-deny (bans licenses sources)	24s
build (windows-latest)	9m 7s
build (ubuntu-latest, --all-features)	5m 13s
Check that MkDocs can build the docs	22s
Check formatting	14s
Check that MkDocs can build the docs with Poetry 1.8	23s
	27m 17s

Provide feedback