Prepare debian changelog for 2.2.18
Prepare debian changelog for 2.2.18

blambov/cassandra,thelastpickle/cassandra,scylladb/scylla-tools-java,instaclustr/cassandra,mike-tr-adamson/cassandra,pauloricardomg/cassandra,adelapena/cassandra,tjake/cassandra,tjake/cassandra,adejanovski/cassandra,mshuler/cassandra,mike-tr-adamson/cassandra,belliottsmith/cassandra,instaclustr/cassandra,beobal/cassandra,blambov/cassandra,blambov/cassandra,jrwest/cassandra,bdeggleston/cassandra,scylladb/scylla-tools-java,thelastpickle/cassandra,mike-tr-adamson/cassandra,adelapena/cassandra,jrwest/cassandra,michaelsembwever/cassandra,thelastpickle/cassandra,mshuler/cassandra,thelastpickle/cassandra,blerer/cassandra,szhou1234/cassandra,bdeggleston/cassandra,adejanovski/cassandra,bdeggleston/cassandra,krummas/cassandra,michaelsembwever/cassandra,adelapena/cassandra,jrwest/cassandra,driftx/cassandra,instaclustr/cassandra,adelapena/cassandra,instaclustr/cassandra,blerer/cassandra,blerer/cassandra,beobal/cassandra,michaelsembwever/cassandra,strapdata/cassandra,szhou1234/cassandra,scylladb/scylla-tools-java,pauloricardomg/cassandra,krummas/cassandra,driftx/cassandra,bdeggleston/cassandra,apache/cassandra,tjake/cassandra,strapdata/cassandra,mshuler/cassandra,michaelsembwever/cassandra,blambov/cassandra,apache/cassandra,blerer/cassandra,belliottsmith/cassandra,pauloricardomg/cassandra,mike-tr-adamson/cassandra,belliottsmith/cassandra,belliottsmith/cassandra,szhou1234/cassandra,apache/cassandra,pauloricardomg/cassandra,beobal/cassandra,adejanovski/cassandra,krummas/cassandra,szhou1234/cassandra,strapdata/cassandra,driftx/cassandra,apache/cassandra,mshuler/cassandra,krummas/cassandra,beobal/cassandra,strapdata/cassandra,driftx/cassandra,scylladb/scylla-tools-java,jrwest/cassandra,tjake/cassandra