[rabbitmq] Depend on Bunny 0.9.2+
[rabbitmq] Depend on Bunny 0.9.2+

It includes connection recovery stability improvements.
joekiller/logstash-kafka,opentable/logstash-kafka,tinglinux/logstash-kafka,Aloomaio/logstash-kafka,joekiller/logstash-kafka,opentable/logstash-kafka,tinglinux/logstash-kafka,Aloomaio/logstash-kafka