[WIP][DON'T MERGE] OTLP autoconfig (feature branch)

[andriisoldatenko]

This is feature branch, don't merge it!

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.70%. Comparing base (080c62c) to head (c600c48).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4090      +/-   ##
==========================================
+ Coverage   64.68%   64.70%   +0.01%     
==========================================
  Files         397      398       +1     
  Lines       26509    26519      +10     
==========================================
+ Hits        17148    17158      +10     
  Misses       8031     8031              
  Partials     1330     1330              

Flag	Coverage Δ
unittests	64.70% <100.00%> (+0.01%)	⬆️

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