impl(otel): copy service resource labels into metric labels

[IcySteam]

fixed #14823

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This change is 

[dbolduc]

/gcbrun

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 93.06%. Comparing base (aa062cf) to head (1775a3e). Report is 27 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #14825 +/- ## ======================================= Coverage 93.06% 93.06% ======================================= Files 2319 2319 Lines 209023 209023 ======================================= + Hits 194529 194530 +1 + Misses 14494 14493 -1 ```

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