Add build step to nightly workflow #850

Job	Run time
test (22)	28s
test (24)	27s
test (18)	31s
test (20)	27s
lint	16s
test-prettier-versions (latest)	30s
test-prettier-versions (3.6.1)	25s
test-prettier-versions (3.7.0)	27s
test-prettier-versions (3.6.2)	20s
test-prettier-versions (3.7.1)	25s
test-prettier-versions (3.6.0)	24s
test-prettier-versions (3.5.3)	24s
test-prettier-versions (3.7.3)	25s
test-prettier-versions (3.7.2)	21s
	5m 50s

Provide feedback