Provide a dedicated mechanism for parsing logger name

[djaglowski]

Resolves #390

[codecov]

Codecov Report

Merging #397 (d30eaf3) into main (6c3c01e) will decrease coverage by 0.4%.
The diff coverage is 63.4%.

❗ Current head d30eaf3 differs from pull request most recent head aaa5899. Consider uploading reports for the commit aaa5899 to get more accurate results

@@           Coverage Diff           @@
##            main    open-telemetry/opentelemetry-log-collection#397     +/-   ##
=======================================
- Coverage   75.5%   75.0%   -0.5%     
=======================================
  Files         81      85      +4     
  Lines       3852    4065    +213     
=======================================
+ Hits        2911    3052    +141     
- Misses       663     705     +42     
- Partials     278     308     +30     

Impacted Files	Coverage Δ
operator/parser/severity/severity.go	60.0% <ø> (ø)
operator/parser/time/time.go	100.0% <ø> (ø)
operator/helper/scope_name.go	56.5% <56.5%> (ø)
operator/helper/parser.go	67.5% <60.0%> (-0.5%)	⬇️
operator/parser/scope/scope_name.go	75.0% <75.0%> (ø)
entry/entry.go	97.7% <100.0%> (-2.3%)	⬇️
operator/transformer/recombine/recombine.go	75.6% <0.0%> (-2.1%)	⬇️
operator/parser/csv/csv.go	92.3% <0.0%> (-0.9%)	⬇️
operator/transformer/retain/retain.go	81.0% <0.0%> (-0.5%)	⬇️
... and 8 more

[linux-foundation-easycla]

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• ✅ login: djaglowski / name: Daniel Jaglowski (058c762, 8be5ad7)