build

cli: add better error message when immutable_heads() cannot be resolved #10196

Job	Run time
Check that MkDocs can build the docs	21s
Check protos	32s
cargo-deny (advisories)	24s
build (ubuntu-latest)	3m 34s
cargo-deny (bans licenses sources)	27s
build (macos-14)	3m 33s
Check formatting	19s
Clippy check	2m 23s
build (windows-latest)	8m 1s
Check that MkDocs can build the docs with Poetry 1.3.2	37s
build (ubuntu-latest, --all-features)	4m 20s
	24m 31s

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