CHORE: Update minimum python version

[SMoraisAnsys]

Description

As title says.

As extra information, note that this decision has been made for two major reasons:

• End of life has been reached for Python 3.8 and it is close to be the case for Python 3.9, see the status of python versions.
• We should aligh with the Python Scientific Community's best practices and for security reasons. It is important to note that many packages within the Scientific Python Community have dropped support for these Python versions a while ago. Therefore, dropping support for these versions is also a step towards maintaining compatibility, enhancing security and taking full advantage of these scientific packages. For further information on this topic, see SPEC 0000.

Issue linked

None

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have agreed with the Contributor License Agreement (CLA).

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.36%. Comparing base (a1e253b) to head (a21830f).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6352   +/-   ##
=======================================
  Coverage   85.35%   85.36%           
=======================================
  Files         175      175           
  Lines       65797    65797           
=======================================
+ Hits        56162    56168    +6     
+ Misses       9635     9629    -6     

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