Update CONTRIBUTING.md (#4390)
Update CONTRIBUTING.md (#4390)


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