feat: Add OTEL tracer to metricsstore reader component

[afzal442]

Which problem is this PR solving?

• Part of Upgrade internal use of tracing to OpenTelemetry #3381
• This PR adds OTEL Provider to metrics reader component

Short description of the changes

• Replaces OT tracer with OTEL tracer to support jtracer pkg

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.02% ⚠️

Comparison is base (2c1bf07) 97.08% compared to head (2d298f3) 97.06%.
Report is 3 commits behind head on main.

❗ Current head 2d298f3 differs from pull request most recent head 7d4624b. Consider uploading reports for the commit 7d4624b to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4595      +/-   ##
==========================================
- Coverage   97.08%   97.06%   -0.02%     
==========================================
  Files         301      301              
  Lines       17857    17862       +5     
==========================================
+ Hits        17336    17338       +2     
- Misses        418      420       +2     
- Partials      103      104       +1     

Flag	Coverage Δ
unittests	97.06% <100.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
plugin/metrics/prometheus/factory.go	100.00% <100.00%> (ø)
plugin/metrics/prometheus/metricsstore/reader.go	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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