Minor followups to LogProcessor

[cijothomas]

Some nits to improve logging.

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 2 lines in your changes missing coverage. Please review.

Project coverage is 77.2%. Comparing base (1f35467) to head (abfba3a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
opentelemetry-sdk/src/logs/log_processor.rs	83.3%	1 Missing ⚠️
opentelemetry-sdk/src/trace/span_processor.rs	87.5%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #2464     +/-   ##
=======================================
- Coverage   77.2%   77.2%   -0.1%     
=======================================
  Files        124     124             
  Lines      23009   23016      +7     
=======================================
+ Hits       17765   17770      +5     
- Misses      5244    5246      +2     

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[Copilot]

Copilot reviewed 4 out of 5 changed files in this pull request and generated no comments.

Files not reviewed (1)

• scripts/integration_tests.sh: Language not supported