prepare release

[OriolAbril]

Description

Checklist

• Follows official PR format
• Includes a sample plot to visually illustrate the changes (only for plot-related functions)
• New features are properly documented (with an example if appropriate)?
• Includes new or updated tests to cover the new feature
• Code style correct (follows pylint and black guidelines)
• Changes are listed in changelog

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📚 Documentation preview 📚: https://arviz--2265.org.readthedocs.build/en/2265/

[codecov]

Codecov Report

Merging #2265 (5e5ab9a) into main (8632186) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #2265   +/-   ##
=======================================
  Coverage   87.90%   87.90%           
=======================================
  Files         122      122           
  Lines       12458    12458           
=======================================
  Hits        10951    10951           
  Misses       1507     1507           

Impacted Files	Coverage Δ
arviz/__init__.py	100.00% <100.00%> (ø)