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Bump third_party/pigweed/repo from `0380161` to `4207f9a` #576

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Run time

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Job	Run time
Chef - ESP32 CI Examples	9m 35s
Chef - Linux CI Examples	6m 55s
Chef - Telink CI Examples	7m 41s
Chef - NRFConnect CI Examples	8m 5s
	32m 16s