Drop python 3.11 and 3.12 support

[raman325]

Breaking change

Installations that rely on python3.11 or python3.12 are no longer supported. Home Assistant has required python3.13 since the 2024.12 release.

Proposed change

• updated test targets: remove python 3.11/3.12 and added 3.14
• added gitignore from my other PR
• remove duplicate setup-python step in pytest CI workflow

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (which adds functionality)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:

[Copilot]

Pull request overview

This PR updates the CI/CD configuration to align with newer Python version standards by removing support for Python 3.11 and 3.12, and adding Python 3.14 testing preparation. The changes include tox configuration updates, removal of duplicate GitHub Actions steps, and expanded gitignore rules.

Key changes:

• Removed Python 3.11 and 3.12 from tox test targets and added Python 3.14
• Cleaned up duplicate setup-python step in pytest workflow
• Added gitignore entries for Node.js build artifacts and AI assistant directories

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
pyproject.toml	Updated tox configuration to remove py311/py312 and add py314 to gh-actions mapping and env_list
.gitignore	Added ignore patterns for Node.js dependencies and AI assistant configuration directories
.github/workflows/pytest.yaml	Consolidated duplicate Python setup steps into a single named step

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.86%. Comparing base (7a39c52) to head (bccf45f).
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Additional details and impacted files

@@           Coverage Diff           @@
##             beta     #537   +/-   ##
=======================================
  Coverage   80.86%   80.86%           
=======================================
  Files          19       19           
  Lines        2341     2341           
=======================================
  Hits         1893     1893           
  Misses        448      448           

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