net-esp-hosted: set wpa3_supported=true.

I've noticed wpa3 still works without this flag, so I'm not sure what this does tbh...

embassy-net-esp-hosted/src/control.rs

@@ -120,7 +120,7 @@ impl<'a> Control<'a> {
             pwd: unwrap!(String::try_from(password)),
             bssid: String::new(),
             listen_interval: 3,
-            is_wpa3_supported: false,
+            is_wpa3_supported: true,
         };
         ioctl!(self, ReqConnectAp, RespConnectAp, req, resp);
         self.state_ch.set_link_state(LinkState::Up);