build

templater: clean up `build_*_keyword()` functions #9391

Job	Run time
Check protos	23s
cargo-deny (advisories)	22s
build (ubuntu-latest)	3m 6s
cargo-deny (bans licenses sources)	23s
build (macos-14)	2m 30s
build (windows-latest)	7m 42s
Clippy check	2m 14s
build (ubuntu-latest, --all-features)	4m 3s
Check that MkDocs can build the docs	21s
Check that MkDocs can build the docs with Poetry 1.3.2	38s
Check formatting	15s
	21m 57s

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