Bump Bunny to 1.1.3+
Bump Bunny to 1.1.3+

[Significantly lower latency](https://github.com/ruby-amqp/bunny/pull/187) for workloads that involve frequently sent small messages.
xiangzhuyuan/sneakers,jcsmith1859/sneakers,eToThePiIPower/sneakers,duduribeiro/sneakers,reevoo/sneakers,veetow/sneakers,YaronWittenstein/sneakers,pomnikita/sneakers,herenow/sneakers,rud/sneakers,adaptiv-io/sneakers,jondot/sneakers,michaelbaudino/sneakers,pomnikita/sneakers,tsagadar/sneakers,reevoo/sneakers,reevoo/sneakers,jondot/sneakers,pomnikita/sneakers,replaygaming/sneakers