Fix pulp/galaxy-minimal images not being published #21

Job	Run time
lint	7s
base-images	24m 59s
app-images (nightly, pulp-minimal)	14m 7s
app-images (nightly, pulp)	29m 9s
app-images (nightly, galaxy-minimal)	8m 18s
app-images (nightly, galaxy)	9m 48s
app-images (stable, pulp-minimal)	12m 0s
app-images (stable, pulp)	26m 42s
app-images (stable, galaxy-minimal)	7m 11s
app-images (stable, galaxy)	9m 14s
	2h 21m 35s

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