CHORE: Update missing or outdated files

[pyansys-automation]

The following files were added or updated:

• CODE_OF_CONDUCT.md file containing the contributor covenant code of conduct
• CONTRIBUTING.md file with contribution guidelines specific to the repository
• LICENSE file using the year of the repository's first commit as the start year
• SECURITY.md file containing security reporting guidelines

Important

Replace {project-name} with the name of the project in the CONTRIBUTING.md file. For example, the project name for ansys/pymechanical is PyMechanical.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.23%. Comparing base (839b60d) to head (5459cfc).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #236      +/-   ##
==========================================
+ Coverage   96.19%   97.23%   +1.03%     
==========================================
  Files          58       58              
  Lines        2443     2383      -60     
==========================================
- Hits         2350     2317      -33     
+ Misses         93       66      -27     

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