Test Python 3.14

[ezio-melotti]

Add 3.14, just like 3.13 was added in:

• Test Python 3.13 #401

[ezio-melotti]

These are the same failures seen in:

• Bump the pip group with 3 updates bedevere#661

[AA-Turner]

For the deprecation warning, we could add an exclusion to the pytest configuration, I believe?

A

[hugovk]

Yes, the upstreams already know about it, let's update pytest.ini to something like this:

filterwarnings =
    error
    ignore:'asyncio.get_event_loop_policy' is deprecated and slated for removal in Python 3.16:DeprecationWarning:pytest_asyncio
    ignore:'asyncio.iscoroutinefunction' is deprecated and slated for removal in Python 3.16; use inspect.iscoroutinefunction.. instead:DeprecationWarning:aiohttp
    ignore:'asyncio.set_event_loop' is deprecated and slated for removal in Python 3.16:DeprecationWarning:pytest_asyncio
    ignore:'asyncio.set_event_loop_policy' is deprecated and slated for removal in Python 3.16:DeprecationWarning:pytest_asyncio