feat(sdk-logs): make dropping attribute print message

[HyunnoH]

Which problem is this PR solving?

Make dropping attribute print message.

Fixes #3762

Short description of the changes

Type of change

Please delete options that are not relevant.

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

How Has This Been Tested?

• Add below test cases to test message call:
  • Message should not be printed when there is no attribute drop
  • Message must be printed only once per LogRecord even if there are multiple dropped attributes

Checklist:

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

[pichlermarc]

@HyunnoH thanks for working on this. Please add a changelog so we can proceed 🙂

[hectorhdzg]

LGTM

[codecov]

Codecov Report

Merging #4614 (f39a20f) into main (c046867) will increase coverage by 0.58%.
Report is 8 commits behind head on main.
The diff coverage is 100.00%.

❗ Current head f39a20f differs from pull request most recent head 6fc5d64. Consider uploading reports for the commit 6fc5d64 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4614      +/-   ##
==========================================
+ Coverage   92.83%   93.41%   +0.58%     
==========================================
  Files         329      198     -131     
  Lines        9528     6667    -2861     
  Branches     2053     1421     -632     
==========================================
- Hits         8845     6228    -2617     
+ Misses        683      439     -244     

Files	Coverage Δ
experimental/packages/sdk-logs/src/LogRecord.ts	98.09% <100.00%> (+0.03%)	⬆️

... and 151 files with indirect coverage changes