[✨ Feature request]: Upgrade to python 3.14 and sectionproperties 3.10.0

[SZeltaat]

Description

Sectionproperties has upgraded to 3.14. We can now upgrade!

Acceptance Criteria

The usuals.

Dependencies

No response

Confirmation

• I have checked that this feature does not already exist in the issue tracker.
• I have read and understood the contribution guidelines.