add grpc support for log export

[codeboten]

This adds support for grpc export for the logging signal in the config package.

Leaving this in draft until #6338 is merged and i'll rebase.

[codecov]

Codecov Report

Attention: Patch coverage is 96.87500% with 1 line in your changes missing coverage. Please review.

Project coverage is 66.9%. Comparing base (71759c6) to head (5adc7e4).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
config/log.go	96.8%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #6340   +/-   ##
=====================================
  Coverage   66.8%   66.9%           
=====================================
  Files        193     193           
  Lines      15620   15652   +32     
=====================================
+ Hits       10448   10479   +31     
- Misses      4881    4882    +1     
  Partials     291     291           

Files with missing lines	Coverage Δ
config/log.go	94.9% <96.8%> (+0.5%)	⬆️

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[MrAlias]

@codeboten it looks like the white-space formatting needs to be updated to fix the lint.