Build Chef CI examples on all platforms

Bump third_party/openthread/repo from `aed9cd1` to `ab7a874` #1922

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Chef - Linux CI Examples	5m 43s
Chef - ESP32 CI Examples	7m 22s
Chef - NRFConnect CI Examples	6m 36s
Chef - Telink CI Examples	11m 47s
	31m 28s