Add faster Bernoulli and Binomial

[aloctavodia]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 77.14286% with 56 lines in your changes are missing coverage. Please review.

Project coverage is 83.67%. Comparing base (2e422a7) to head (ff78707).

Files	Patch %	Lines
preliz/distributions/bernoulli.py	69.52%	32 Missing ⚠️
preliz/distributions/binomial.py	87.09%	12 Missing ⚠️
preliz/internal/special.py	21.42%	11 Missing ⚠️
preliz/distributions/halfnormal.py	90.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #348      +/-   ##
==========================================
- Coverage   84.26%   83.67%   -0.60%     
==========================================
  Files          44       47       +3     
  Lines        4652     4796     +144     
==========================================
+ Hits         3920     4013      +93     
- Misses        732      783      +51     

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