0f18fe0 CI: Add tests for newer Pythons

Authored and Committed by churchyard 4 months ago
    CI: Add tests for newer Pythons
    
    Note that by default, virtualenv does not install wheel to Python 3.12+
    virtual environments. We set VIRTUALENV_WHEEL=bundle to force it,
    otherwise the test is quite useless.
    
        
file modified
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