update all CI head to 3.14 prerelease

[bckohan]

No description provided.

[Copilot]

Pull Request Overview

This PR updates the CI configuration to test against Python 3.14 prerelease instead of Python 3.13. The change ensures CI runs test the latest prerelease version while maintaining compatibility testing with older supported versions.

• Updates all Python version references from '3.13' to '3.14' in CI matrices
• Adds allow-prereleases: true to all Python setup steps to enable prerelease installation
• Removes the entire release workflow file

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
.github/workflows/test.yml	Updates Python version matrices and adds prerelease support for all test jobs
.github/workflows/release.yml	Completely removes the release workflow
.github/workflows/lint.yml	Updates Python version matrix and adds prerelease support for linting jobs

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[cclauss]

Strange that Windows fails on https://github.com/andfoy/pywinpty because their tests pass on Python 3.14 and 3.14t.

• https://pypi.org/project/pywinpty is currently v3.0.0

[cclauss]

Perhaps revert the Windows upgrades for now and focus on the one Linux test failure.

[bckohan]

Its failing because pywinpty does not have a binary release for python 3.14 yet. I'll just wait until it does to merge this PR.

We can build from source but its not worth it.

[cclauss]

It is useful to have Linux and macOS testing successfully on Py3.14 and add Windows in a separate pull request.

[bckohan]

It is useful to have Linux and macOS testing successfully on Py3.14 and add Windows in a separate pull request.

They have and they are in this PR. This is good enough for me to wait.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[cclauss]

Nice!

[cclauss]

https://code.djangoproject.com/ticket/35844

Django 5.2 will be the first version to support Python 3.14

[bckohan]

https://code.djangoproject.com/ticket/35844

Django 5.2 will be the first version to support Python 3.14

great - the CI updates in this PR are correct then!

[cclauss]

windows-powershell-complete (3.14, 5.0)
windows-pwsh-complete (3.14, 5.0)

[bckohan]

windows-powershell-complete (3.14, 5.0) windows-pwsh-complete (3.14, 5.0)

Oops! Great catch, thank you! - Fixed in 8a795ab