Python 3.14 compatable check

[bnbong]

Request a new feature / feature improvement

Feature Description

Check the compatibility of Python 3.14 version for all features of FastAPI-fastkit.

Job Details (Optional)

• Check CLI operations compatability
• Check templates' compatability
• Check other impacts

Reference (Optional)

version change log : https://docs.python.org/3/whatsnew/3.14.html

Remarkable points (my opinion) :

• PEP 765 : disallow return/break/continue that exit a finally block
• PEP 734 : adding multiple sub interpreters in standard libraries (such as threading, multiprocessing) -> may be impact at template inspector module