[sdk-logs] Add LoggerProviderBuilderExtensions to SDK

[CodeBlanch]

Relates to #4433

Changes

• Adds LoggerProviderBuilderExtensions to SDK.

Merge requirement checklist

• CONTRIBUTING guidelines followed (nullable enabled, static analysis, etc.)

[codecov]

Codecov Report

Merging #4450 (3caf19a) into main (19b666e) will decrease coverage by 0.36%.
The diff coverage is 0.00%.

❗ Current head 3caf19a differs from pull request most recent head 3d53fd7. Consider uploading reports for the commit 3d53fd7 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4450      +/-   ##
==========================================
- Coverage   84.42%   84.07%   -0.36%     
==========================================
  Files         310      311       +1     
  Lines       12281    12329      +48     
==========================================
- Hits        10368    10365       -3     
- Misses       1913     1964      +51     

Impacted Files	Coverage Δ
...ry/Logs/Builder/LoggerProviderBuilderExtensions.cs	0.00% <0.00%> (ø)
...Telemetry/Logs/Builder/LoggerProviderBuilderSdk.cs	0.00% <0.00%> (ø)

... and 3 files with indirect coverage changes