policies: treat SERIAL/LOCAL_SERIAL consistency as LWT for routing #1124

Job	Run time
Test wheels building / Prepare matrix to run for 3.13 on `linux,macos-x86,macos-arm,windows,linux-aarch64`	3s
Test wheels building / Build source distribution	13s
Test wheels building / Build wheels for linux on ubuntu-24.04	14m 34s
Test wheels building / Build wheels for macos-arm on macos-14	11m 55s
Test wheels building / Build wheels for macos-x86 on macos-15-intel	22m 22s
Test wheels building / Build wheels for windows on windows-2022	45m 17s
Test wheels building / Build wheels for linux-aarch64 on ubuntu-24.04-arm	15m 14s
	1h 49m 38s

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