Initialized quantile-percentile branch

[HangenYuu]

Description

Implement the quantile and percentile function in PyTensor.

Related Issue

• Closes Implement equivalent numpy median and quantile / percentile #53
• Related to #

Checklist

• Checked that the pre-commit linting/style checks pass
• Included tests that prove the fix is effective or that the new feature works
• Added necessary documentation (docstrings and/or example notebooks)
• If you are a pro: each commit corresponds to a relevant logical change

Type of change

• New feature / enhancement
• Bug fix
• Documentation
• Maintenance
• Other (please specify):

[codecov]

Codecov Report

Attention: Patch coverage is 5.00000% with 19 lines in your changes missing coverage. Please review.

Project coverage is 81.36%. Comparing base (c6d85d1) to head (fb27251).
Report is 97 commits behind head on main.

Files with missing lines	Patch %	Lines
pytensor/tensor/math.py	5.00%	19 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #943      +/-   ##
==========================================
- Coverage   81.38%   81.36%   -0.03%     
==========================================
  Files         172      173       +1     
  Lines       46868    46934      +66     
  Branches    11423    11431       +8     
==========================================
+ Hits        38145    38189      +44     
- Misses       6542     6563      +21     
- Partials     2181     2182       +1     

Files with missing lines	Coverage Δ
pytensor/tensor/math.py	89.72% <5.00%> (-1.56%)	⬇️

... and 5 files with indirect coverage changes

[ricardoV94]

Unlucky duplicate of #942?

[HangenYuu]

Oops I did not realize. Will leave it to @Dhruvanshu-Joshi then.