Release 5.1.11

Added

• StepReporter#step(ItemStatus, String, Supplier<T>) method, by @HardNorth
• Log batching payload size tracking, by @HardNorth
• rp.batch.payload.limit configuration parameter, by @HardNorth

Removed

• finally keyword, see JEP 421, by @HardNorth

Changed

• Logging RxJava flow refactoring, by @HardNorth