rename GenAIEvalResults, GenAIEvalSet, GenAIEvalTaskResult, GenAIEval…

[thorrester]

Title says it all. We need to make the evaluation related structs more generic since they can be applied to any type of evaluation in the future

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 4 additional findings.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.59%. Comparing base (857da96) to head (648c4a3).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #223   +/-   ##
=======================================
  Coverage   62.59%   62.59%           
=======================================
  Files          18       18           
  Lines         262      262           
=======================================
  Hits          164      164           
  Misses         98       98           

Files with missing lines	Coverage Δ
py-scouter/python/scouter/__init__.py	100.00% <ø> (ø)
py-scouter/python/scouter/evaluate/__init__.py	100.00% <ø> (ø)

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