Split bulk for bulkupsert

[kprokopenko]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

ResourceExhausted if the bulk greater than max GRPC request size (64M).

Issue Number: #1511

What is the new behavior?

If a bulk request exceeds the maximum size allowed by gRPC, it is split into smaller chunks so that each chunk does not exceed the limit. Each such request is sent separately.

Other information

[github-actions]

summary

Base version: v3.110.1-0.20250610204446-64cd01d3883e (master)
Cannot suggest a release version.
Can only suggest a release version when compared against the most recent version of this major: v3.110.0.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 77.94118% with 15 lines in your changes missing coverage. Please review.

Project coverage is 70.60%. Comparing base (64cd01d) to head (60e9c35).

Files with missing lines	Patch %	Lines
internal/table/client.go	75.00%	11 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1803      +/-   ##
==========================================
- Coverage   70.75%   70.60%   -0.15%     
==========================================
  Files         385      385              
  Lines       40154    40211      +57     
==========================================
- Hits        28409    28392      -17     
- Misses      10583    10638      +55     
- Partials     1162     1181      +19     

Flag	Coverage Δ
experiment	70.23% <77.94%> (-0.10%)	⬇️
go-1.21.x	68.85% <77.94%> (-0.12%)	⬇️
go-1.24.x	70.58% <77.94%> (-0.16%)	⬇️
integration	53.40% <64.70%> (-0.54%)	⬇️
macOS	40.31% <45.58%> (+<0.01%)	⬆️
ubuntu	70.60% <77.94%> (-0.15%)	⬇️
unit	40.31% <45.58%> (-0.01%)	⬇️
windows	40.29% <45.58%> (-0.01%)	⬇️
ydb-24.4	52.53% <64.70%> (-0.54%)	⬇️
ydb-25.1	53.34% <64.70%> (-0.50%)	⬇️
ydb-latest	52.82% <64.70%> (-0.54%)	⬇️
ydb-nightly	70.23% <77.94%> (-0.10%)	⬇️

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[rekby]

thanks, i have few suggestions