Merge branch 'main' into feature/829-version_number_in_user_agent

...nect/api/domain/model/metadata/data/SubmissionSchema.java

...nnect/api/domain/model/submission/ReceivedSubmission.java

...itconnect/api/domain/model/submission/SentSubmission.java

...o/fitconnect/api/domain/validation/ValidationContext.java

client/pom.xml

...c/main/java/dev/fitko/fitconnect/client/SenderClient.java

...in/java/dev/fitko/fitconnect/client/SubscriberClient.java

...java/dev/fitko/fitconnect/client/cli/CommandExecutor.java

...va/dev/fitko/fitconnect/client/cli/CommandLineClient.java

...va/dev/fitko/fitconnect/client/cli/CommandLineRunner.java

...va/dev/fitko/fitconnect/client/factory/ClientFactory.java

...n/java/dev/fitko/fitconnect/client/model/DataPayload.java

.../dev/fitko/fitconnect/client/model/SubmissionPayload.java

.../fitconnect/client/sender/EncryptedSubmissionBuilder.java

...dev/fitko/fitconnect/client/sender/SubmissionBuilder.java

...tko/fitconnect/client/sender/model/AttachmentPayload.java

...nnect/client/sender/model/EncryptedSubmissionPayload.java

...tko/fitconnect/client/sender/model/SubmissionPayload.java

...a/dev/fitko/fitconnect/client/sender/steps/BuildStep.java

...itko/fitconnect/client/sender/steps/BuilderStartStep.java