fix(exporter-logs-otlp-grpc): change OTLPLogsExporter to OTLPLogExpo…

[fuaiyi]

Which problem is this PR solving?

feat(exporter-logs-otlp-grpc): change OTLPLogsExporter to OTLPLogExpo…

Fixes #3812

Short description of the changes

Update logs gRPC exporter class name to singular OTLPLogExporter #3812

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• Run the included unit tests.

Checklist:

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

[codecov]

Codecov Report

Merging #3819 (643b39e) into main (de22983) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 643b39e differs from pull request most recent head e267b37. Consider uploading reports for the commit e267b37 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3819   +/-   ##
=======================================
  Coverage   92.96%   92.96%           
=======================================
  Files         295      295           
  Lines        9039     9039           
  Branches     1843     1843           
=======================================
  Hits         8403     8403           
  Misses        636      636           

Impacted Files	Coverage Δ
...ges/exporter-logs-otlp-grpc/src/OTLPLogExporter.ts	92.30% <100.00%> (ø)

[fuaiyi]

@dyladan @martinkuba cc~ fixed: #3812

[pichlermarc]

Thanks 🙂