[WIP] Set of attempts to optimize OTLP receiver/exporter

[lquerel]

Not ready yet.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.71%. Comparing base (71bc65a) to head (71f62b3).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1357      +/-   ##
==========================================
- Coverage   82.78%   79.71%   -3.08%     
==========================================
  Files         392      241     -151     
  Lines      105480    70105   -35375     
==========================================
- Hits        87325    55881   -31444     
+ Misses      17621    13690    -3931     
  Partials      534      534              

Components	Coverage Δ
otap-dataflow	∅ <ø> (∅)
otel-arrow-rust	75.24% <0.00%> (-14.46%)	⬇️
query_abstraction	80.61% <ø> (ø)
query_engine	90.56% <ø> (+0.04%)	⬆️
syslog_cef_receivers	∅ <ø> (∅)
otel-arrow-go	53.50% <ø> (ø)

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