Pico W: Initial Wi-Fi support (#2980)

* Pico W: Initial WiFi support: connects, but freezes after a while

* Update arduino-pico core to fix hang with Wi-Fi

* Add `picow` to workflow since it's different from `pico` now

src/mesh/api/WiFiServerAPI.h

@@ -22,4 +22,4 @@ class WiFiServerPort : public APIServerPort<WiFiServerAPI, WiFiServer>
     explicit WiFiServerPort(int port);
 };
 
-void initApiServer(int port = 4403);
+void initApiServer(int port = 4403);