otelconf: add support for tracer provider limits

[codeboten]

Adds support for attribute_count_limit and attribute_value_length_limit in the tracer provider configuration.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.2%. Comparing base (05eb6d8) to head (2396c0e).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #8687   +/-   ##
=====================================
  Coverage   82.1%   82.2%           
=====================================
  Files        183     183           
  Lines      13798   13812   +14     
=====================================
+ Hits       11340   11354   +14     
  Misses      2054    2054           
  Partials     404     404           

Files with missing lines	Coverage Δ
otelconf/trace.go	99.5% <100.0%> (+<0.1%)	⬆️

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