Gateway usage

[ogaca-dd]

What does this PR do?

Motivation

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 32.65306% with 33 lines in your changes missing coverage. Please review.

Project coverage is 80.82%. Comparing base (13a65d3) to head (f24117c).

Files with missing lines	Patch %	Lines
pkg/otlp/attributes/gateway_usage.go	0.00%	19 Missing ⚠️
pkg/otlp/logs/transform.go	0.00%	5 Missing ⚠️
pkg/otlp/attributes/source.go	25.00%	2 Missing and 1 partial ⚠️
pkg/inframetadata/reporter.go	66.66%	2 Missing ⚠️
pkg/otlp/attributes/translator.go	50.00%	2 Missing ⚠️
pkg/otlp/logs/translator.go	71.42%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #472      +/-   ##
==========================================
- Coverage   81.30%   80.82%   -0.49%     
==========================================
  Files          48       49       +1     
  Lines        3681     3702      +21     
==========================================
- Hits         2993     2992       -1     
- Misses        606      627      +21     
- Partials       82       83       +1     

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