Global error handler cleanup - UpDown Counter, Historgram, Gauge.

[lalitb]

Fixes #
Design discussion issue (if applicable) #

Changes

Please provide a brief description of the changes here.

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 14.63415% with 35 lines in your changes missing coverage. Please review.

Project coverage is 79.4%. Comparing base (3bc9b3d) to head (3b15802).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
opentelemetry-sdk/src/metrics/meter.rs	14.6%	35 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #2242     +/-   ##
=======================================
- Coverage   79.5%   79.4%   -0.1%     
=======================================
  Files        121     121             
  Lines      20938   20962     +24     
=======================================
  Hits       16656   16656             
- Misses      4282    4306     +24     

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

[utpilla]

Let a suggestion about using capital letter for the first letter of each instrument name. That's how we use it in the spec docs as well.

If we go this route, this will need to be updated for the previously merged PRs as well.

[lalitb]

Let a suggestion about using capital letter for the first letter of each instrument name. That's how we use it in the spec docs as well.

If we go this route, this will need to be updated for the previously merged PRs as well.

Good point. Have updated for all the instruments.