feat: update otel versions for prometheus to 0.27

[kudlatyamroth]

Changes

• Update opentelemetry dependency version to 0.27
• Update opentelemetry_sdk dependency version to 0.27
• Update opentelemetry-semantic-conventions dependency version to 0.27

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 8 lines in your changes missing coverage. Please review.

Project coverage is 79.5%. Comparing base (506a4f9) to head (ce41608).

Files with missing lines	Patch %	Lines
opentelemetry-prometheus/src/lib.rs	63.6%	8 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #2309     +/-   ##
=======================================
- Coverage   79.5%   79.5%   -0.1%     
=======================================
  Files        123     123             
  Lines      21479   21483      +4     
=======================================
  Hits       17084   17084             
- Misses      4395    4399      +4     

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[cijothomas]

Changes look good. I am requesting changes to fix the internal logs. These are now emitted via tracing and most users likely have a tracing subscriber already enabled.. So we need to be very careful about emitting logs, especially the ones with high severity.
Also, try and make the descriptions more self-explanatory.(Totally understand these are existing issues, but just want to make it easier for end users to navigate the internal logs)