Expose MergeCtx via exporterhelper#QueueBatchSettings

[lahsivjar]

Description

Exposes the MergeCtx function introduced in https://github.com/open-telemetry/opentelemetry-collector/pull/13460/files to exporterhelper#QueueBatchSettings. This will allow configuring the merge context function using exporterhelper#WithQueueBatch.

Link to tracking issue

Related to #13320

Testing

N/A

Documentation

N/A

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.67%. Comparing base (6ccdc89) to head (bab6491).
⚠️ Report is 61 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #13742   +/-   ##
=======================================
  Coverage   91.67%   91.67%           
=======================================
  Files         652      652           
  Lines       42506    42506           
=======================================
+ Hits        38968    38969    +1     
+ Misses       2731     2730    -1     
  Partials      807      807           

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[bogdan-st]

Hi @lahsivjar, could you please add a changelog entry? There are instructions in the contribution guide.

[lahsivjar]

@bogdan-st Added changelog, thanks for the ping!

[lahsivjar]

I don't think the test failures are related to the PR.

[bogdandrutu]

Please rebase, I added a change to simplify number of times we add a setting.

[lahsivjar]

@bogdandrutu Friendly nudge for pushing the PR forward. Is there anything blocking the PR to get this merged?

[lahsivjar]

@jmacd Friendly ping to get this merged, it already has the ready-to-merge label and it would be great to get this in for the next release.

[dmitryax]

LGTM. @lahsivjar please ping me on a PR where you use it