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/http/ContentHandler.cpp

@@ -5,7 +5,7 @@
 #include "main.h"
 #include "mesh/http/ContentHelper.h"
 #include "mesh/http/WebServer.h"
-#include "mesh/http/WiFiAPClient.h"
+#include "mesh/wifi/WiFiAPClient.h"
 #include "mqtt/JSON.h"
 #include "power.h"
 #include "sleep.h"