[ENH] check_estimator utility

[fkiraly]

This adds a check_estimator utility for checking implemented objects against their type specific contracts.

[codecov-commenter]

Codecov Report

Patch coverage: 57.14% and project coverage change: -0.05% ⚠️

Comparison is base (7f2ce21) 71.36% compared to head (b2930d3) 71.31%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #90      +/-   ##
==========================================
- Coverage   71.36%   71.31%   -0.05%     
==========================================
  Files          90       92       +2     
  Lines        4822     4863      +41     
  Branches      885      893       +8     
==========================================
+ Hits         3441     3468      +27     
- Misses       1162     1172      +10     
- Partials      219      223       +4     

Files Changed	Coverage Δ
skpro/utils/validation/_dependencies.py	30.76% <16.66%> (-0.21%)	⬇️
skpro/utils/estimator_checks.py	68.57% <68.57%> (ø)
skpro/utils/__init__.py	100.00% <100.00%> (ø)

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