build

test_merged_tree: avoid a temporary lifetime extension #16691

Job	Run time
Check protos	23s
build (ubuntu-latest)	1m 56s
Build jj-lib without Git support	48s
cargo-deny (advisories)	24s
build (macos-13)	4m 2s
cargo-deny (bans licenses sources)	21s
Clippy check	2m 1s
build (macos-14)	1m 46s
Check that MkDocs can build the docs	13s
build (windows-latest)	5m 39s
Check that MkDocs can build the docs with latest Python and uv	13s
Check formatting	19s
build (ubuntu-latest, --all-features)	2m 57s
	21m 2s

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