Build Chef CI examples on all platforms

Bump third_party/pigweed/repo from `d5fcc90` to `e4d8db4` #1673

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Chef - ESP32 CI Examples	14m 13s
Chef - Linux CI Examples	11m 8s
Chef - NRFConnect CI Examples	12m 9s
Chef - Telink CI Examples	12m 4s
	49m 34s