jni 2.4.0

• added the ExcepDataProvider module to allow for reading record-based data from Excel spreadheets
• added the KafkaDataProvider module to allow for to support Kafka messaging
• MqttDataProvider module
• added support for the data provider action catalog API (issue 4808)
• fixed handling conversions from Qore and Python to Java for Float values (issue 4890)
• fix for importing Qore methods with varargs into Java (issue 4833)