Replacing synchronized blocks with ReentrantLocks in topic-related part of SDK

[Myllyenko]

As mentioned in Java's official virtual threads tutorial, synchonized blocks reduce benefits of virtual threads'. In this PR, I've replaced all synchronized blocks in topic-related part of SDK with ReentrantLocks.

[pnv1]

There was such task in backlog #273
Thank you for the contribution!

[pnv1]

There are currently (style) build issues due to trailing spaces in 4 lines in WriterImpl

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 76 lines in your changes missing coverage. Please review.

Project coverage is 47.19%. Comparing base (959538e) to head (f887345).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
...src/main/java/tech/ydb/topic/impl/SessionBase.java	0.00%	33 Missing ⚠️
...tech/ydb/topic/read/impl/PartitionSessionImpl.java	0.00%	12 Missing ⚠️
.../java/tech/ydb/topic/read/impl/SyncReaderImpl.java	0.00%	11 Missing ⚠️
...ain/java/tech/ydb/topic/write/impl/WriterImpl.java	0.00%	9 Missing ⚠️
...c/read/impl/TransactionMessageAccumulatorImpl.java	0.00%	6 Missing ⚠️
...ech/ydb/topic/read/impl/DeferredCommitterImpl.java	0.00%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #338      +/-   ##
============================================
- Coverage     47.34%   47.19%   -0.16%     
  Complexity     1750     1750              
============================================
  Files           309      311       +2     
  Lines         12463    12499      +36     
  Branches       1232     1238       +6     
============================================
- Hits           5901     5899       -2     
- Misses         6102     6140      +38     
  Partials        460      460              

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