Add python3.14 docker images

[leiserfg]

Proposed changes

Python 3.14 is out, this allows using it with unit in docker.

Checklist

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• I have read the contributing guidelines.
• I have signed the F5 Contributor License Agreement (CLA).
• If applicable, I have added tests that prove my fix is effective or that my feature works.
• If applicable, I have checked that any relevant tests pass after adding my changes.
• I have updated any relevant documentation (README.md and/or CHANGELOG.md).

[leiserfg]

Btw, why the images at https://hub.docker.com/_/unit are not up to date? (They are for 1.34)

[ac000]

On Tue, 07 Oct 2025 23:54:45 -0700 leiserfg ***@***.***> wrote: leiserfg left a comment (nginx/unit#1667) Btw, why the images at https://hub.docker.com/_/unit are not up to date? (They are for 1.34)

It was a decision that was made to make a final 1.35 release (but no packaging) before Unit officially entered "Unsupported" state. The Unit repository is now in the process of being archived. Yes, none of this has been particularly well communicated.