Support Python 3.12

[wongcht]

Python 3.12 will be released on 2023-10-02. Test package snapshottest failed to import due to imp dropped in py3.12

This PR aim at python 3.12 can pass all tests.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.01%. Comparing base (5fb7b54) to head (e3286d9). Report is 8 commits behind head on master.

:exclamation: Current head e3286d9 differs from pull request most recent head a9c9572

Please upload reports for the commit a9c9572 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1523   +/-   ##
=======================================
  Coverage   96.01%   96.01%           
=======================================
  Files          51       51           
  Lines        1755     1755           
=======================================
  Hits         1685     1685           
  Misses         70       70           

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[gmetzker]

Any movement on 3.12 support?

[dulmandakh]

support for Python 3.12 is landed in https://github.com/graphql-python/graphene/pull/1550