Build Chef CI examples on all platforms

Bump third_party/imgui/repo from `3c435c0` to `50de550` #1666

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Chef - ESP32 CI Examples	11m 21s
Chef - Linux CI Examples	5m 41s
Chef - NRFConnect CI Examples	12m 22s
Chef - Telink CI Examples	12m 4s
	41m 28s