build

cli: add better error message when immutable_heads() cannot be resolved #10192

Job	Run time
build (ubuntu-latest)	3m 25s
Check protos	48s
build (macos-14)	2m 44s
Check that MkDocs can build the docs	22s
build (windows-latest)	8m 20s
Check formatting	16s
build (ubuntu-latest, --all-features)	4m 34s
cargo-deny (advisories)	26s
cargo-deny (bans licenses sources)	23s
Clippy check	2m 21s
Check that MkDocs can build the docs with Poetry 1.3.2	31s
	24m 10s

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