feat(flow): add codex control-plane workflows #139

Job	Run time
build (x86_64-unknown-linux-gnu, ubuntu-latest)	6m 7s
build (aarch64-unknown-linux-gnu, ubuntu-latest)	8m 19s
build-linux-host-simd	15m 19s
build (x86_64-apple-darwin, macos-latest)	11m 4s
build (aarch64-apple-darwin, macos-latest)	9m 24s
release	11s
	50m 24s

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