Revert "build action: succeed on timeout" #514

Job	Run time
unittests	9s
sanity	12s
focal, broken, cont-on-err / build debs	4m 10s
focal, broken / build debs	2m 27s
bookworm, good, verbose=bloom / build debs	7m 35s
jammy, good / build debs	6m 27s
noble, good, verbose=true / build debs	6m 31s
jammy, good, timeout=3 / build debs	3m 16s
bookworm squash / deploy	0s
jammy push / deploy	0s
	30m 47s

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