fix(types): Add AdminBatchUpdateProductVariant type #33170

Job	Run time
setup	2m 3s
integration-tests-packages	12m 47s
Shard (0) Unit Tests	8m 55s
Shard (0) HTTP Integration Tests	11m 46s
Shard (1) Unit Tests	5m 4s
Shard (1) HTTP Integration Tests	8m 33s
Shard (0) Module Integration Tests	10m 46s
Shard (1) Module Integration Tests	9m 30s
unit-tests	1s
integration-tests-modules	1s
integration-tests-http	1s
	1h 9m 27s

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