Support Python 3.8-3.11 only, with default 3.11

[wongcht]

python 3.7 is already EOL, suggest to keep supported version as official 3.8-3.11, and set 3.11 as default in the pipeline

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (baaef0d) 96.01% compared to head (c160f06) 96.01%.

❗ Current head c160f06 differs from pull request most recent head dad3352. Consider uploading reports for the commit dad3352 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1521   +/-   ##
=======================================
  Coverage   96.01%   96.01%           
=======================================
  Files          51       51           
  Lines        1755     1755           
=======================================
  Hits         1685     1685           
  Misses         70       70           

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