docs: fix storefront sections in digital product recipe #35238

Job	Run time
setup	2m 1s
integration-tests-packages	12m 8s
Shard (0) HTTP Integration Tests	12m 5s
Shard (0) Module Integration Tests	10m 9s
Shard (0) Unit Tests	8m 14s
Shard (1) HTTP Integration Tests	9m 0s
Shard (1) Module Integration Tests	9m 29s
Shard (1) Unit Tests	4m 54s
unit-tests	1s
integration-tests-modules	1s
integration-tests-http	1s
	1h 8m 3s

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