Update explainer_manager.py to change docs from MimicWrapper to MimicExplainer

[gaugup]

Description

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 #2240 (fe7a172) into main (529af52) will increase coverage by 4.16%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2240      +/-   ##
==========================================
+ Coverage   88.10%   92.26%   +4.16%     
==========================================
  Files         129      103      -26     
  Lines        7337     5160    -2177     
==========================================
- Hits         6464     4761    -1703     
+ Misses        873      399     -474     

Flag	Coverage Δ
unittests	92.26% <ø> (+4.16%)	⬆️

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Files Changed	Coverage Δ
...ibleai/responsibleai/managers/explainer_manager.py	89.90% <ø> (ø)

... and 26 files with indirect coverage changes

[github-actions]

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

[github-actions]

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

[github-actions]

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

[github-actions]

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