- rename to Truncated to `PacketTooLarge`
feat(embassy-net): Implement `wait_recv_ready()` + `wait_send_ready()` for UdpSocket and `wait_read_ready()` + `wait_write_ready()` for TcpSocket
- Provides `pub async fn wait_recv_ready(&self) -> ()` and `pub fn poll_recv_ready(&self, cx: &mut Context<'_>) -> Poll<()>`. This allows polling / waiting on a socket until it can be read, without dequeuing any packets. - Provides `pub async fn wait_send_ready(&self) -> ()` and `pub fn poll_send_ready(&self, cx: &mut Context<'_> -> Poll<()>` This allows polling / waiting on a socket until it becomes writable.