Build Chef CI examples on all platforms

Bump third_party/pigweed/repo from `ce0e3e2` to `fd6d1e6` #417

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Chef - Linux CI Examples	6m 13s
Chef - ESP32 CI Examples	8m 56s
Chef - Telink CI Examples	11m 46s
Chef - NRFConnect CI Examples	7m 11s
	34m 6s