cleanup artifacts

Author: blindspotbounty

Benchmarks/.benchmarkBaselines/SwiftKafkaConsumerBenchmarks/messages1000/results.json

@@ -197,6 +197,9 @@ let benchmarks = {
         guard let kafkaHandle else {
             preconditionFailure("Kafka handle was not created")
         }
+        defer {
+            rd_kafka_destroy(kafkaHandle)
+        }
 
         rd_kafka_poll_set_consumer(kafkaHandle)
         let subscriptionList = rd_kafka_topic_partition_list_new(1)
@@ -263,6 +266,9 @@ let benchmarks = {
         guard let kafkaHandle else {
             preconditionFailure("Kafka handle was not created")
         }
+        defer {
+            rd_kafka_destroy(kafkaHandle)
+        }
 
         rd_kafka_poll_set_consumer(kafkaHandle)
         let subscriptionList = rd_kafka_topic_partition_list_new(1)