Handle 'Regression Error' cohort filter for regression scenario in SDK

[gaugup]

Description

It seems we don't handle the "Error" (aka Regression Error) cohort filter in erroranalysis SDK. This PR adds this capability and the relevant test.

Checklist

• I have added screenshots above for all UI changes.
• I have added e2e tests for all UI changes.
• Documentation was updated if it was needed.

[codecov-commenter]

Codecov Report

Merging #1644 (b9da56a) into main (f0f6c08) will decrease coverage by 0.00%.
The diff coverage is 88.88%.

@@            Coverage Diff             @@
##             main    #1644      +/-   ##
==========================================
- Coverage   89.00%   89.00%   -0.01%     
==========================================
  Files         105      105              
  Lines        5502     5529      +27     
==========================================
+ Hits         4897     4921      +24     
- Misses        605      608       +3     

Flag	Coverage Δ
unittests	89.00% <88.88%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ranalysis/erroranalysis/_internal/cohort_filter.py	87.04% <88.88%> (+0.29%)	⬆️

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[imatiach-msft]

LGTM! Can you also bump up version of erroranalysis so we can release this right away?

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/HandleRegressionError/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/HandleRegressionError/dashboard/index.html