Log the protoc version info during builds

[ascopes]

Provide details about libprotoc upon running the plugin.

[codecov]

Codecov Report

Attention: Patch coverage is 64.70588% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 85.33%. Comparing base (b453d4c) to head (63bf984).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #113      +/-   ##
==========================================
- Coverage   85.62%   85.33%   -0.29%     
==========================================
  Files          23       23              
  Lines         730      736       +6     
  Branches       48       49       +1     
==========================================
+ Hits          625      628       +3     
- Misses         85       87       +2     
- Partials       20       21       +1     

Files	Coverage Δ
...es/protobufmavenplugin/execute/ArgLineBuilder.java	88.24% <100.00%> (+0.36%)	⬆️
...otobufmavenplugin/execute/CommandLineExecutor.java	63.64% <70.00%> (ø)
...tobufmavenplugin/generate/SourceCodeGenerator.java	94.12% <50.00%> (-4.29%)	⬇️