Fix readTimeoutMillis wrongly configures connectionTimeoutMillis instead of the correct field

[fzyzcjy]

Just realized this when reading code. Not tested locally, want to use CI to see whether this is a real bug (i.e. should fix) or not.

📜 Description

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPii is enabled
• I updated the docs if needed
• All tests passing
• No breaking changes

🔮 Next steps

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.55 🎉

Comparison is base (86d4841) 90.18% compared to head (e05d3a6) 90.73%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1485      +/-   ##
==========================================
+ Coverage   90.18%   90.73%   +0.55%     
==========================================
  Files         181       61     -120     
  Lines        5776     2030    -3746     
==========================================
- Hits         5209     1842    -3367     
+ Misses        567      188     -379     

see 120 files with indirect coverage changes

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[marandaneto]

Good catch @fzyzcjy
Its time to address #1488