Bugfix #2408 main_v11.0 empty config

[JohnHalleyGotway]

Expected Differences

• Do these changes introduce new tools, command line arguments, or configuration file options? [No]
  
  If yes, please describe:
  

• Do these changes modify the structure of existing or add new output data types (e.g. statistic line types or NetCDF variables)? [No]
  
  If yes, please describe:
  

Pull Request Testing

• Describe testing already performed for these changes:
  
  On seneca, in src/basic/vx_config ran rm config.tab.cc ; make and confirmed that the result now has:

yystate = 8;

Rather than the default initial value of 0.

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  
  Confirm that all the GHA tests run without error. Also review the replacement logic in the Makefile to confirm that it makes sense.

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [Yes]
  None needed.

• Do these changes include sufficient testing updates? [Yes]
  None needed. This change ensures that the existing EmptyConfig test will more reliably work.

• Will this PR result in changes to the test suite? [No]
  
  If yes, describe the new output and/or changes to the existing output:
  

• Please complete this pull request review by [Wed 1/18/23].
  

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[georgemccabe]

Looks good. I approve.