Skip tests which are expected to fail with Python 3.14

[befeleme]

Type of changes

• Bug fix
• New feature
• Documentation / docstrings
• Tests
• Other

Checklist

• I've run the latest black with default args on new code.
• I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate. -- not sure this requires a changelog entry
• [-] I've added tests for new code.
• I accept that @willmcgugan may be pedantic in the code review.

Description

In Fedora Linux, we've started testing packages with Python 3.14. When I deal with the (expected) failure of these 5 tests, rich builds just fine.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.98%. Comparing base (225cb07) to head (d094077).
Report is 38 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3622      +/-   ##
==========================================
- Coverage   98.24%   97.98%   -0.27%     
==========================================
  Files          74       74              
  Lines        8105     8142      +37     
==========================================
+ Hits         7963     7978      +15     
- Misses        142      164      +22     

Flag	Coverage Δ
unittests	97.98% <ø> (-0.27%)	⬇️

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[hroncok]

Would it make sense to have @skip_py311_or_later and @skip_other_than_py311 at this point?

[willmcgugan]

Thanks. The work was done in #3861