Update version to 3.2.0-RC2

[mwestphal]

Describe your changes

Update version to 3.2.0-RC2

Issue ticket number and link if any

Checklist for finalizing the PR

• I have performed a self-review of my code
• I have added tests for new features and bugfixes
• I have added documentation for new features
• If it is a modifying the libf3d API, I have updated bindings
• If it is a modifying the .github/workflows/versions.json, I have updated timestamp

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.18%. Comparing base (b55ce8e) to head (d16f20a).
Report is 1 commits behind head on release.

Additional details and impacted files

@@             Coverage Diff             @@
##           release    #2374      +/-   ##
===========================================
- Coverage    96.21%   96.18%   -0.03%     
===========================================
  Files          134      134              
  Lines        12113    12113              
===========================================
- Hits         11654    11651       -3     
- Misses         459      462       +3     

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