feat(sdk-node): install diag logger with OTEL_LOG_LEVEL

[legendecas]

Which problem is this PR solving?

Register diag logger with environ OTEL_LOG_LEVEL.

Fixes #3312

Short description of the changes

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• diag.setLogger invoked with the expected log level and DiagConsoleLogger.

Checklist:

• Followed the style guidelines of this project
• Unit tests have been added
• Documentation has been updated

[codecov]

Codecov Report

Merging #3627 (87cc86d) into main (86973eb) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 87cc86d differs from pull request most recent head d00c09c. Consider uploading reports for the commit d00c09c to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3627   +/-   ##
=======================================
  Coverage   94.03%   94.03%           
=======================================
  Files         268      268           
  Lines        7927     7930    +3     
  Branches     1643     1644    +1     
=======================================
+ Hits         7454     7457    +3     
  Misses        473      473           

Impacted Files	Coverage Δ
...imental/packages/opentelemetry-sdk-node/src/sdk.ts	93.75% <100.00%> (+0.20%)	⬆️