Build firmware

Fix git ignore #4142

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
build-SITL-Mac	1m 13s
build-SITL-Linux	50s
build-SITL-Windows	4m 41s
build (0)	18m 7s
build (1)	13m 3s
build (2)	21m 44s
build (3)	14m 2s
build (4)	19m 10s
build (5)	13m 54s
build (6)	14m 32s
build (7)	17m 13s
build (8)	14m 24s
build (9)	12m 31s
test	1m 4s
	2h 46m 28s