[ISSUE #573] (rocketmq-flume)Replace the DefaultMQPullConsumer with the DefaultLitePullConsumer

[Aaron-He]

What is the purpose of the change

DefaultMQPullConsumer is deprecated after RMQ Version 4.6.0. A better implementation DefaultLitePullConsumer is recommend to use in the scenario of actively pulling messages. We can use it.

Brief changelog

Replace the DefaultMQPullConsumer with the DefaultLitePullConsumer

Verifying this change

Yes

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