feat: Update the mk_static macro

And refer to embassy-rs/static-cell#16

src/bin/async_main.rs

@@ -17,13 +17,11 @@ use esp_wifi::{
     EspWifiInitFor,
 };
 
-// When you are okay with using a nightly compiler it's better to use https://docs.rs/static_cell/2.1.0/static_cell/macro.make_static.html
+// https://github.com/embassy-rs/static-cell/issues/16
 macro_rules! mk_static {
     ($t:ty,$val:expr) => {{
         static STATIC_CELL: static_cell::StaticCell<$t> = static_cell::StaticCell::new();
-        #[deny(unused_attributes)]
-        let x = STATIC_CELL.uninit().write(($val));
-        x
+        STATIC_CELL.init_with(|| $val)
     }};
 }