SIANXKE-335: Updated supported Python and Celery versions

[beachmachine]

Added

• Added support for Python 3.11 and Python 3.12
• Added support for Celery 5.2 and 5.3

Removed

• Removed support for Python 3.6 and Python 3.7
• Removed support for Celery 5.0 and 5.1

[codecov-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (c617b06) 86.66% compared to head (c6a9a0e) 87.33%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main       #6      +/-   ##
==========================================
+ Coverage   86.66%   87.33%   +0.66%     
==========================================
  Files           3        3              
  Lines         150      150              
==========================================
+ Hits          130      131       +1     
+ Misses         20       19       -1     

see 1 file with indirect coverage changes

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