Upgrade Zipkin Reporter to version 2.15.4
Upgrade Zipkin Reporter to version 2.15.4

tdiesler/camel,tadayosi/camel,christophd/camel,gnodet/camel,christophd/camel,cunningt/camel,adessaigne/camel,tdiesler/camel,tadayosi/camel,adessaigne/camel,tdiesler/camel,nikhilvibhav/camel,gnodet/camel,gnodet/camel,apache/camel,christophd/camel,apache/camel,cunningt/camel,nicolaferraro/camel,apache/camel,cunningt/camel,christophd/camel,tadayosi/camel,pax95/camel,apache/camel,adessaigne/camel,cunningt/camel,christophd/camel,pmoerenhout/camel,pmoerenhout/camel,tdiesler/camel,pmoerenhout/camel,tadayosi/camel,pax95/camel,cunningt/camel,nicolaferraro/camel,nicolaferraro/camel,pax95/camel,tadayosi/camel,pax95/camel,pmoerenhout/camel,nikhilvibhav/camel,tdiesler/camel,gnodet/camel,tdiesler/camel,apache/camel,pmoerenhout/camel,nikhilvibhav/camel,nicolaferraro/camel,pax95/camel,pmoerenhout/camel,adessaigne/camel,tadayosi/camel,nikhilvibhav/camel,christophd/camel,adessaigne/camel,cunningt/camel,apache/camel,gnodet/camel,pax95/camel,adessaigne/camel