feat: Add shutdown with timeout for metric exporter

[mohammadVatandoost]

#2574 Part 1: Adding shutdown_with_timeout for metric exporter

[codecov]

Codecov Report

Attention: Patch coverage is 16.66667% with 15 lines in your changes missing coverage. Please review.

Project coverage is 81.0%. Comparing base (37d7947) to head (132ee05).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
opentelemetry-otlp/src/metric.rs	0.0%	3 Missing ⚠️
opentelemetry-sdk/src/metrics/exporter.rs	0.0%	3 Missing ⚠️
...pentelemetry-sdk/src/metrics/in_memory_exporter.rs	0.0%	3 Missing ⚠️
opentelemetry-sdk/src/metrics/periodic_reader.rs	50.0%	3 Missing ⚠️
opentelemetry-stdout/src/metrics/exporter.rs	0.0%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #2854     +/-   ##
=======================================
- Coverage   81.1%   81.0%   -0.1%     
=======================================
  Files        124     125      +1     
  Lines      23927   23945     +18     
=======================================
+ Hits       19410   19413      +3     
- Misses      4517    4532     +15     

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