mention new deduplication logic in release notes
mention new deduplication logic in release notes

+review REVIEW-5613

robinverduijn/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gstevey/gradle,gradle/gradle,lsmaira/gradle,lsmaira/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,gstevey/gradle,gstevey/gradle,gstevey/gradle,lsmaira/gradle,gstevey/gradle,gradle/gradle,blindpirate/gradle,lsmaira/gradle,gradle/gradle,blindpirate/gradle,gstevey/gradle,gstevey/gradle,robinverduijn/gradle,blindpirate/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,gradle/gradle,gstevey/gradle,gstevey/gradle,lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,lsmaira/gradle,lsmaira/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle