Add Python 3.13 to CI Tests

[robd003]

Is there an existing issue for this?

• I have searched the existing issues

Is your feature request related to a problem? Please describe.

No response

Describe the solution you'd like

Can we be proactive and make sure that Sanic will be compatible with Python 3.13 when it's released in early October?

MagicStack just released v0.21.0beta1 which has support for Python 3.13

Additional context

No response

[ahopkins]

Absolutely. The big question is of course uvloop.

[Tishka17]

As I see, httptools doesn't currently compile on 3.13 and there is no response on the ticket MagicStack/httptools#104

Should we get rid of this dependency?

[robd003]

hhtptools 0.6.2 was just released with compatibility for Python 3.13

[robd003]

@ahopkins uvloop just released a version compatible with Python 3.13!

https://github.com/MagicStack/uvloop/releases/tag/v0.21.0

Do you know when we could get Sanic LTS tested against Python 3.13?