self.loop break with websockets>11

[alexeadem]

Describe the bug

./src/selkies_gstreamer/signalling_web.py:108:        self.loop = loop
./src/selkies_gstreamer/signalling_web.py:477:        self.stop_server = self.loop.create_future()
./src/selkies_gstreamer/signalling_web.py:478:        async with websockets.serve(handler, self.addr, self.port, ssl=sslctx, process_request=http_handler, loop=self.loop,
./src/selkies_gstreamer/signalling_web.py:486:            asyncio.ensure_future(self.check_server_needs_restart(), loop=self.loop)
./src/selkies_gstreamer/webrtc_input.py:87:        self.loop = None
./src/selkies_gstreamer/webrtc_input.py:171:        assert self.loop is not None
./src/selkies_gstreamer/webrtc_input.py:181:        js = SelkiesGamepad(socket_path, self.loop)
./src/selkies_gstreamer/webrtc_input.py:184:        asyncio.ensure_future(js.run_server(), loop=self.loop)
./src/selkies_gstreamer/gamepad.py:179:        self.loop = loop
./src/selkies_gstreamer/gamepad.py:268:                await self.loop.sock_sendall(client, event)
./src/selkies_gstreamer/gamepad.py:283:            await self.loop.sock_sendall(client, config_data)
./src/selkies_gstreamer/gamepad.py:310:        self.loop.create_task(self.__send_events())
./src/selkies_gstreamer/gamepad.py:316:                    client, _ = await asyncio.wait_for(self.loop.sock_accept(self.server), timeout=1)

Tested with debian 12 and websockets<10 and we are back to normal

[ehfd]

Addressed in conjunction to #170 #171

[ehfd]

Fixed in #171