source bash configurations

[aerorahul]

Description
This PR:

• runs subprocess in a bash shell
• allows the test_configuration tests to run on GH runner. They were previously disabled on GA

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• pynorms
• pytests

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes need updates to the documentation. I have made corresponding changes to the documentation
• My changes generate no new warnings
• New and existing tests pass with my changes
• Any dependent changes have been merged and published

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.00%. Comparing base (5dad7dd) to head (239773c).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #36      +/-   ##
===========================================
+ Coverage    48.23%   50.00%   +1.76%     
===========================================
  Files           18       18              
  Lines         1644     1646       +2     
  Branches       335      335              
===========================================
+ Hits           793      823      +30     
+ Misses         791      763      -28     
  Partials        60       60              

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[TerrenceMcGuinness-NOAA]

small feat for now