deliverMessage throws InvalidMessageException with names that have quotes in it

[fibbers]

Describe the bug
When sending a message via the Java library with a recipient-name that has quotes in it, the library doesn't escape it and the API returns an error.

I have to escape the name myself with name.replace("\"", "\\\""), but it would be nice if the library does that for you.

To Reproduce

// this name could be from a database for example, or from an http request
String name = "A (company)name containing a \" for example";
String emailAddress = "dummy@example.com";

Message message = new Message();
// set required fields, e.g. from and body, and then:
message.setTo(Map.of(name, emailAddress));

ApiClient apiClient = Postmark.getApiClient(..);
apiClient.deliverMessage(message);

this throws:

com.postmarkapp.postmark.client.exception.InvalidMessageException: Error parsing 'To': Unclosed quoted string: "A (company)name containing a " for example"<dummy@example.com>
	at com.postmarkapp.postmark.client.HttpClientErrorHandler.throwErrorBasedOnStatusCode(HttpClientErrorHandler.java:37)
	at com.postmarkapp.postmark.client.HttpClientHandler.execute(HttpClientHandler.java:67)
	at com.postmarkapp.postmark.client.ApiClient.deliverMessage(ApiClient.java:67)

Expected behavior
It would be nice when using the library as follows, that from/to/cc/bcc recipient names are encoded or escaped automatically:

• message.setFrom(name, address)
• message.setTo(Map.of(name, address))
• message.setCc(Map.of(name, address))
• message.setBcc(Map.of(name, address))

Java (please complete the following information):

• I'm using version 1.11.1 of the library in Java 21
• Environment used: Linux/MacOS