Merge branch 'OZG-4095-Abrufen-Stage-Test' into 'main'

scripts/smocker/add-mock.sh

scripts/smocker/forward-smocker.sh

scripts/smocker/receive-one.yaml

.../nachrichten/postfach/osiv2/OsiPostfachRemoteService.java

...chrichten/postfach/osiv2/transfer/Osi2ResponseMapper.java

...ten/postfach/osiv2/transfer/PostfachApiFacadeService.java

.../postfach/osiv2/OsiPostfachRemoteServiceRemoteITCase.java

...ry/MessageExchangeReceiveMessagesResponseTestFactory.java

.../postfach/osiv2/factory/PostfachNachrichtTestFactory.java

...ten/postfach/osiv2/factory/V1ReplyMessageTestFactory.java

...chten/postfach/osiv2/transfer/Osi2ResponseMapperTest.java

...postfach/osiv2/transfer/PostfachApiFacadeServiceTest.java

src/test/resources/application-dev.yml