Merge branch 'OZG-7837-mapping-name-as-collection' into 'main'

...ava/de/ozgcloud/aggregation/AggregationManagerRunner.java

src/main/java/de/ozgcloud/aggregation/Aggregator.java

...ava/de/ozgcloud/aggregation/TransformationProperties.java

...gcloud/aggregation/transformation/AggregationMapping.java

...loud/aggregation/warehouse/CustomWarehouseRepository.java

.../aggregation/warehouse/CustomWarehouseRepositoryImpl.java

...java/de/ozgcloud/aggregation/warehouse/DocumentEntry.java

...e/ozgcloud/aggregation/warehouse/WarehouseRepository.java

...de/ozgcloud/aggregation/AggregationManagerRunnerTest.java

src/test/java/de/ozgcloud/aggregation/AggregatorTest.java

...egation/transformation/AggregationMappingTestFactory.java

...regation/warehouse/CustomWarehouseRepositoryImplTest.java

...loud/aggregation/warehouse/WarehouseRepositoryITCase.java