ensure Python 3.14 compatibility

[radoering]

Summary by Sourcery

Add Python 3.14 compatibility by updating the CI matrix and refreshing the dependency lockfile

Enhancements:

• Test against Python 3.14 to ensure compatibility

CI:

• Add Python 3.14 to the GitHub Actions test matrix

Chores:

• Regenerate poetry.lock for new Python version support

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR introduces Python 3.14 to the CI pipeline and switches the poetry-core dependency to a patched fork supporting Python 3.14.

File-Level Changes

Change	Details	Files
Add Python 3.14 to CI test matrix	Include “3.14” in the GitHub Actions Python versions list	.github/workflows/tests.yaml
Point poetry-core to python314 branch and update lock file	Set poetry-core dependency source to radoering/poetry-core python314 branch Regenerate poetry.lock to capture the new dependency	pyproject.toml poetry.lock

Possibly linked issues

• Add src to sys.path if module is in src #123: PR ensures Python 3.14 compatibility by using a patched poetry-core fork, resolving the installation failure.

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.