chore: fix release notes PR classification

[germa89]

Description

Fix release notes classification.

Issue linked

Close #3802

Checklist

• I have visited and read Develop PyMAPDL.
• I have tested my changes locally
• I have added necessary documentation or updated existing documentation.
• I have followed the PyMAPDL coding style guidelines.
• I have added appropriate unit tests that also ensure the minimal coverage criteria.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have marked this PR as draft if it is not ready to be reviewed yet.
• I have made sure that the title of my PR follows Commit naming conventions (e.g. feat: adding new MAPDL command)

[Copilot]

Pull Request Overview

Fix the order of release notes categories in the towncrier configuration and update GitHub workflow to use conventional commits for release notes classification.

• Swap the order of "documentation" and "miscellaneous" categories in towncrier configuration
• Enable conventional commits usage in the label workflow to classify PRs based on title instead of labels

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pyproject.toml	Reorder towncrier type definitions to swap documentation and miscellaneous categories
.github/workflows/label.yml	Add configuration to use conventional commits for PR classification

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.28%. Comparing base (1268ded) to head (f89ca46).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4194      +/-   ##
==========================================
- Coverage   91.39%   91.28%   -0.12%     
==========================================
  Files         193      193              
  Lines       15731    15731              
==========================================
- Hits        14378    14360      -18     
- Misses       1353     1371      +18     

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[germa89]

@pyansys-ci-bot LGTM.

[pyansys-ci-bot]

✅ Approving this PR because germa89 said so in here 😬