Fail `build.sh` if any command in it fails #4919

Job	Run time
Ruby analysis (ubuntu-latest, linked)	52s
Ruby analysis (macos-latest, nightly-latest)	1m 10s
Ruby analysis (macos-latest, default)	1m 17s
Ruby analysis (macos-latest, linked)	1m 13s
Ruby analysis (ubuntu-latest, default)	49s
Ruby analysis (ubuntu-latest, nightly-latest)	48s
	6m 9s

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