xscraperhelper: add AddProfilesScraper

[florianl]

Description

Add AddProfilesScraper similar to scraperhelper.AddScraper

Link to tracking issue

Fixes #

Testing

Documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.84%. Comparing base (17646a7) to head (6978e72).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14427      +/-   ##
==========================================
- Coverage   91.85%   91.84%   -0.02%     
==========================================
  Files         677      677              
  Lines       42680    42686       +6     
==========================================
  Hits        39203    39203              
- Misses       2423     2427       +4     
- Partials     1054     1056       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 61 untouched benchmarks
⏩ 20 skipped benchmarks¹

---

_{Comparing florianl:xscraperhelper-AddProfilesScraper (6978e72) with main (17646a7)}

Footnotes

1. 20 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[florianl]

@open-telemetry/collector-approvers friendly ping for feedback