feat(integration-tests-o11y): add resource detector

[coryan]

This will just make any demos a little nicer. And we can incubate the resource detector here before contributing it to a different project.

Motivated by #3178 but not required.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.02%. Comparing base (4734484) to head (f234c0d).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4764      +/-   ##
==========================================
+ Coverage   95.01%   95.02%   +0.01%     
==========================================
  Files         204      204              
  Lines        7881     7881              
==========================================
+ Hits         7488     7489       +1     
+ Misses        393      392       -1     

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