Change log:
9cd361a Upgrade Reactor BOM
665685d Upgrade Spring dependencies
4c2f920 Upgrade to gradle 5.6.4
feb4fa0 GH-1289: STCEH - Fix IndexOutOfBoundsException
30dca49 GH-1287: Detect mis-configured deserialization
78a0f15 Upgrade samples to Boot 2.2.0.RELEASE
9eadf5b Deprecate ZkClient in embedded broker
ec446d4 GH-1283: Unique client.id for each producer
ae0dec7 Upgrade Kafka clients to 2.3.1
2f734a7 GH-1278: Add filtered sub batch test
9a4e3f7 Remove implements TestRule from EmbeddedKafkaRule
4855751 GH-1278: Zombie Fencing with Batch Listener
5bd49b3 Suppress new Sonar smells
633f566 GH-1273: Fix offset commit after recovery
e671eea GH-1274: Fix STCEH Deprecated CTOR
f77dcfb Fix typo around NRCEvent properties