Use latex for LKJCorr docstrings

[williambdean]

Description

Use $\infty$ over oo 😆

Related Issue

• Closes #
• 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):

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📚 Documentation preview 📚: https://pymc--7866.org.readthedocs.build/en/7866/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.94%. Comparing base (bb30538) to head (6fdca20).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7866   +/-   ##
=======================================
  Coverage   92.94%   92.94%           
=======================================
  Files         116      116           
  Lines       18845    18845           
=======================================
  Hits        17516    17516           
  Misses       1329     1329           

Files with missing lines	Coverage Δ
pymc/distributions/multivariate.py	93.91% <ø> (ø)

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