GitHub Action to pip install symengine on current Python and PyPy

[cclauss]

pip install symengine fails on Python 3.12 and PyPy 3.10

• https://github.com/symengine/symengine.py/actions/workflows/pip_install.yml
• GitHub Action to pip install symengine #421

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symengine.py/setup.py

Line 14 in 810ef47

# packaging.python.org/en/latest/current.html#packaging-tool-recommendations

https://packaging.python.org/en/latest/current.html#packaging-tool-recommendations raises a 404 Not Found but https://packaging.python.org works.

[cclauss]

Could not find a package configuration file provided by "SymEngine"
        (requested version 0.8.1) with any of the following names:
      
          SymEngineConfig.cmake
          symengine-config.cmake