Add support for loop.sock_sendto

[difeid]

• uvloop version: 0.17.0
• Python version: 3.11.4
• Platform: Linux
• Can you reproduce the bug with PYTHONASYNCIODEBUG in env?: Not a bug
• Does uvloop behave differently from vanilla asyncio? How?: Yes, not implemented feature

The uvloop not implement method sock_sendto.

coroutine loop.sock_sendto(sock, data, address)
Send a datagram from sock to address. Asynchronous version of socket.sendto()

Return the number of bytes sent.
sock must be a non-blocking socket.
New in version 3.11.

The simple test case that reproduces the problem:

#!/usr/bin/env python3

import socket
import asyncio
import uvloop

uvloop.install()

addr = ("127.0.0.1", 1111)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setblocking(False)

loop = asyncio.get_event_loop()
loop.run_until_complete(loop.sock_sendto(s, b'test', addr))

uvloop == 0.17.0 response:

Traceback (most recent call last):
  File "/home/danil/test_async_sock.py", line 16, in <module>
    loop.run_until_complete(loop.sock_sendto(s, b'test', addr))
  File "uvloop/loop.pyx", line 1517, in uvloop.loop.Loop.run_until_complete
  File "uvloop/loop.pyx", line 2629, in sock_sendto
  NotImplementedError