Use `iter_nodes` instead #20002

Job	Run time
publish-turbopack-npm-packages	0s
deploy-target	12s
build-wasm (web)	23s
build-wasm (nodejs)	21s
build	2m 35s
stable - x86_64-unknown-linux-gnu - node@16	41s
Upload Turbopack Bytesize metrics to Datadog	0s
Deploy preview tarball	2m 5s
Potentially publish release	0s
Deploy examples	0s
Release Stats	0s
	6m 17s

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