confluent-kafka-go v1.5.2

v1.5.2 is a maintenance release with the following fixes and enhancements:

• Bundles librdkafka v1.5.2 - see release notes for all enhancements and fixes.
• Documentation fixes

confluent-kafka-go is based on librdkafka v1.5.2, see the librdkafka release notes for a complete list of changes, enhancements, fixes and upgrade considerations.