FIX: trivial typo in quantile regression and time series regression files

[thibaultcordier]

Description

• There is a trivial typo in the file quantile_regression.py
• There is a trivial typo in the file time_series_regression.py

In both files it should read from rather than form.

Fixes #364

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• See WARNING: Deprecated path with changes when importing MapieQuantileRegressor and MapieTimeSeriesRegressor

Checklist

• I have read the contributing guidelines
• I have updated the HISTORY.rst and AUTHORS.rst files
• Linting passes successfully : make lint
• Typing passes successfully : make type-check
• Unit tests pass successfully : make tests
• Coverage is 100% : make coverage
• Documentation builds successfully : make doc

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (614293e) 100.00% compared to head (6c98511) 100.00%.
Report is 10 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##            master      #365    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           39        39            
  Lines         4616      4618     +2     
  Branches       487       757   +270     
==========================================
+ Hits          4616      4618     +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.