Node hinting slo

[qrort]

Integration tests for ydb.WithPreferredNodeID functionality against a multinode cluster.

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):

[github-actions]

summary

Inferred base version: v3.123.1
Suggested version: v3.123.2

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.14%. Comparing base (3c5460f) to head (5114384).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1972      +/-   ##
==========================================
- Coverage   74.24%   74.14%   -0.11%     
==========================================
  Files         395      395              
  Lines       34598    34598              
==========================================
- Hits        25688    25652      -36     
- Misses       7796     7820      +24     
- Partials     1114     1126      +12     

Flag	Coverage Δ
experiment	73.83% <ø> (-0.10%)	⬇️
go-1.21.x	72.99% <ø> (-0.11%)	⬇️
go-1.25.x	74.10% <ø> (-0.13%)	⬇️
integration	55.07% <ø> (-0.41%)	⬇️
macOS	47.77% <ø> (-0.03%)	⬇️
ubuntu	74.14% <ø> (-0.11%)	⬇️
unit	47.78% <ø> (-0.01%)	⬇️
windows	47.75% <ø> (-0.04%)	⬇️
ydb-24.4	54.22% <ø> (-0.47%)	⬇️
ydb-25.2	54.96% <ø> (-0.45%)	⬇️
ydb-latest	54.69% <ø> (-0.37%)	⬇️
ydb-nightly	73.83% <ø> (-0.10%)	⬇️

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[github-actions]

🌋 SLO Test Results

Status: 🟡 7 workloads tested • 2 workloads with warnings

	Workload	Metrics	Regressions	Improvements	Links
🟢	native-node-hints	8	0	0	Report • Check
🟢	native-query	8	0	0	Report • Check
🟢	native-table-over-query-service	8	0	0	Report • Check
🟡	native-bulk-upsert	8	0	0	Report • Check
🟢	database-sql-table	8	0	0	Report • Check
🟡	database-sql-query	8	0	0	Report • Check
🟢	native-table	8	0	0	Report • Check

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