Remove ansible 2.15 from workflow and add python 3.12

[P-Cao]

Description

Due to failures in UT process, remove Ansible 2.15 which is not in support matrix from workflow combination
Add python 312 for workflow

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, pep8, linting, or security issues
• I have performed Ansible Sanity test using --docker default
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• Backward compatibility is not broken

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Test A
• Test B

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.27%. Comparing base (cd646cb) to head (babbdd9).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #189   +/-   ##
=======================================
  Coverage   90.27%   90.27%           
=======================================
  Files         143      143           
  Lines       16553    16553           
  Branches     2365     2365           
=======================================
  Hits        14944    14944           
  Misses        941      941           
  Partials      668      668           

Flag	Coverage Δ
units	90.27% <ø> (ø)

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[P-Cao]

@forrestxia Lint job now is updated to ansible-lint. So the required check does not apply. It should be Okay after this PR is merged and workflow is updated.