[component] Add namespace parameter to component.BuildInfo

[dpaasman00]

Description

Adds a new field to component.BuildInfo to facilitate support for reporting the service.namespace semantic convention in OpAMP. Includes corresponding updates to resource attributes reported by the collector. Also adds a new parameter to the builder configuration to facilitate setting this via the OCB.

Link to tracking issue

Fixes #12505

Need follow up PR to OpAMP extension making use of this value.

Testing

Relevant unit tests updated.

Running the updated otelcorecol with logging enabled in service.telemetry and the new resource attribute for service.namespace shows up. This was done sending to another collector running the otlp receiver and logging via the debug exporter.

02-26-25_monitoring-output.txt

Documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.20%. Comparing base (df36fd7) to head (b3427b6).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12508      +/-   ##
==========================================
+ Coverage   92.18%   92.20%   +0.02%     
==========================================
  Files         469      469              
  Lines       25395    25400       +5     
==========================================
+ Hits        23410    23421      +11     
+ Misses       1574     1568       -6     
  Partials      411      411              

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[evan-bradley]

Overall looks good to me.