Add support for Python 3.14

[hugovk]

Trac ticket number

ticket-π

Branch description

Provide a concise overview of the issue or rationale behind the proposed changes.

I've not tested this on 3.14, maybe it's fine ¯_(ツ)_/¯

Checklist

• [no] This PR targets the main branch.
• [no] The commit message is written in past tense, mentions the ticket number, and ends with a period.
• [no] I have checked the "Has patch" ticket flag in the Trac system.
• [no] I have added or updated relevant tests.
• [no] I have added or updated relevant docs, including release notes if applicable.
• [n/a] I have attached screenshots in both light and dark modes for any UI changes.

[github-actions]

Hello! Thank you for your contribution 💪

As it's your first contribution be sure to check out the patch review checklist.

If you're fixing a ticket from Trac make sure to set the "Has patch" flag and include a link to this PR in the ticket!

If you have any design or process questions then you can ask in the Thibaud forum.

Welcome aboard ⛵️!

[hugovk]

Hello! Thank you for your contribution 💪

Hello, you're welcome!

As it's your first contribution be sure to check out the patch review checklist.

I checked, it's 404.

If you're fixing a ticket from Trac make sure to set the "Has patch" flag and include a link to this PR in the ticket!

Thanks, it's 404.

If you have any design or process questions then you can ask in the Thibaud forum.

Also 404.

Welcome aboard ⛵️!

Thank you !