Alpakka Kafka 2.0.3

Release notes in the Alpakka Kafka documentation

Alpakka Kafka core

• Committing: retry commits marked as retriable #1111 by @ennru
• Build: Jackson 2.10.4 and sbt plugin updates #1112 by @ennru
• Security: mask passwords in settings' toString #1110 by @ennru
• Commit when next offset is observed #1093 by @seglo
• Non-streaming producer wrapper #1085 by @ennru
• Simplify commit replying #1095 by @ennru
• DrainingControl: creation in toMat #1084 by @ennru
• Simpler use with the new actors API #1088 by @ennru
• Cluster-sharding: single listener per entity type key + Java DSL #1080 by @chbatey
• Drain partial offset commit batches on upstream failure #1058 by @sdudzin
• Kafka cluster sharding support with external sharding allocation #1067 by @seglo
• Add MetadataClient getCommittedOffsets #1073 by @epalace