Replace some synchronized blocks

[ozangunalp]

Replace synchronized blocks in Emitter and Kafka connector with ReentrantLock

[codecov-commenter]

Codecov Report

Merging #2289 (17f6675) into main (8bfcb7f) will increase coverage by 0.11%.
The diff coverage is 82.72%.

❗ Current head 17f6675 differs from pull request most recent head cadb166. Consider uploading reports for the commit cadb166 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2289      +/-   ##
============================================
+ Coverage     77.86%   77.98%   +0.11%     
- Complexity     3711     3750      +39     
============================================
  Files           302      312      +10     
  Lines         12393    12555     +162     
  Branches       1588     1601      +13     
============================================
+ Hits           9650     9791     +141     
- Misses         2022     2036      +14     
- Partials        721      728       +7     

Files Changed	Coverage Δ
...ive/messaging/providers/extension/EmitterImpl.java	100.00% <ø> (ø)
...ssaging/providers/extension/LegacyEmitterImpl.java	100.00% <ø> (ø)
...messaging/providers/extension/AbstractEmitter.java	71.95% <64.00%> (+2.61%)	⬆️
...ging/kafka/transactions/KafkaTransactionsImpl.java	91.66% <83.33%> (+0.87%)	⬆️
.../providers/helpers/AcknowledgementCoordinator.java	91.42% <89.28%> (+2.14%)	⬆️
...ging/kafka/impl/KafkaRecordStreamSubscription.java	81.25% <100.00%> (+0.14%)	⬆️
...rye/reactive/messaging/kafka/impl/RecordQueue.java	85.18% <100.00%> (+1.85%)	⬆️

... and 21 files with indirect coverage changes