ci: Fix steps for creating a release

[ansjhenry]

• Specify the version of Python for updating the change log
• Add missing token input for releasing to GitHub

[github-actions]

The towncrier template has been successfully rewritten with the default template.
Please ensure that sphinx-design is included as a dependency in your project's documentation requirements.
Additionally, add sphinx-design to the extensions list in your conf.py file.
For more information, please refer to the migration guide at:
https://actions.docs.ansys.com/version/stable/migrations/index.html#migration-guide

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.52%. Comparing base (48045e2) to head (3b37348).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #27   +/-   ##
=======================================
  Coverage   79.52%   79.52%           
=======================================
  Files          13       13           
  Lines        1460     1460           
  Branches      232      232           
=======================================
  Hits         1161     1161           
  Misses        239      239           
  Partials       60       60           

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