Fix/hibernate entity sequence (#13) #30

Job	Run time
list-exercises	4s
build (exercise_000_initial_state)	28s
build (exercise_001_create_a_greeting_service)	31s
build (exercise_002_a_qute_hello_world)	46s
build (exercise_003_qute_products)	33s
build (exercise_004_even_qute_products)	34s
build (exercise_005_products_from_the_database)	1m 7s
build (exercise_006_CDI_and_ArC)	1m 3s
build (exercise_007_Convert_endpoints_to_JSON)	1m 1s
build (exercise_008_Adding_REST_data_Panache)	59s
build (exercise_009_Hook_up_the_React_app)	55s
build (exercise_010_Validation_and_PUT)	52s
build (exercise_011_Going_Reactive)	56s
build (exercise_012_Reactive_search_endpoint)	55s
build (exercise_013_Listen_and_Notify)	1m 8s
build (exercise_014_Internal_Channels)	54s
build (exercise_015_Connecting_to_Kafka)	1m 12s
build (exercise_016_Dead_Letter_Queue_and_Stream_filtering)	52s
summary	1s
	14m 51s

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