fix: or-2596 make sure gemeentenaam serializes only to its value #2398

Job	Run time
analyze-code	2m 26s
analyze-code	2m 26s
Run Tests (test/AssociationRegistry.Test)	2m 48s
Run Tests (test/AssociationRegistry.Test)	2m 48s
Run Tests (test/AssociationRegistry.Test.Acm.Api)	2m 37s
Run Tests (test/AssociationRegistry.Test.Acm.Api)	2m 37s
Run Tests (test/AssociationRegistry.Test.Admin.AddressSync)	2m 19s
Run Tests (test/AssociationRegistry.Test.Admin.AddressSync)	2m 19s
Run Tests (test/AssociationRegistry.Test.Admin.Api)	5m 14s
Run Tests (test/AssociationRegistry.Test.Admin.Api)	4m 27s
Run Tests (test/AssociationRegistry.Test.E2E)	4m 59s
Run Tests (test/AssociationRegistry.Test.E2E)	4m 47s
Run Tests (test/AssociationRegistry.Test.PowerBi.ExportHost)	2m 33s
Run Tests (test/AssociationRegistry.Test.PowerBi.ExportHost)	2m 33s
Run Tests (test/AssociationRegistry.Test.Public.Api)	3m 42s
Run Tests (test/AssociationRegistry.Test.Public.Api)	3m 42s
Run Tests (test/AssociationRegistry.Test.Projections)	4m 10s
Run Tests (test/AssociationRegistry.Test.Projections)	4m 10s
Notify slack	2s
Notify slack	1s
	1h 0m 40s

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