Updated embassy and locked rust version

src/main.rs

@@ -54,7 +54,7 @@ const TOPIC_STATUS: &str = formatcp!("{}/status", TOPIC_BASE);
 const TOPIC_UPDATE: &str = formatcp!("{}/update", TOPIC_BASE);
 const TOPIC_SET: &str = formatcp!("{}/set", TOPIC_BASE);
 const VERSION: &str = git_version::git_version!();
-const PUBLIC_SIGNING_KEY: &[u8] = include_bytes!("../key.pub");
+const PUBLIC_SIGNING_KEY: &[u8; 32] = include_bytes!("../key.pub");
 const FLASH_SIZE: usize = 2 * 1024 * 1024;
 
 #[derive(Deserialize)]
@@ -380,8 +380,14 @@ async fn main(spawner: Spawner) {
     let mut recv_buffer = [0; 1024];
     let mut write_buffer = [0; 1024];
 
-    let mut client =
-        MqttClient::<_, 5, _>::new(socket, &mut write_buffer, &mut recv_buffer, config);
+    let mut client = MqttClient::<_, 5, _>::new(
+        socket,
+        &mut write_buffer,
+        1024,
+        &mut recv_buffer,
+        1024,
+        config,
+    );
 
     info!("Connecting to MQTT...");
     client.connect_to_broker().await.unwrap();