build

cli: add `jj operation show` and `jj operation diff` commands #10839

Job	Run time
Clippy check	2m 27s
cargo-deny (advisories)	27s
build (ubuntu-latest)	3m 37s
Check protos	36s
cargo-deny (bans licenses sources)	26s
build (macos-14)	3m 21s
Check that MkDocs can build the docs	26s
build (windows-latest)	7m 56s
Check that MkDocs can build the docs with Poetry 1.3.2	36s
build (ubuntu-latest, --all-features)	4m 42s
Check formatting	16s
	24m 50s

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