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Bump third_party/pigweed/repo from `1f12d06` to `54ca0db` #1915

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Run time

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Job	Run time
Chef - ESP32 CI Examples	6m 18s
Chef - Linux CI Examples	5m 40s
Chef - NRFConnect CI Examples	11m 6s
Chef - Telink CI Examples	6m 44s
	29m 48s