Update arduino-pico core and remove MDNS restriction (#5483)

Author: GUVWAF

arch/rp2xx0/rp2040.ini

@@ -1,8 +1,8 @@
 ; Common settings for rp2040 Processor based targets
 [rp2040_base]
-platform = https://github.com/maxgerhardt/platform-raspberrypi.git#19e30129fb1428b823be585c787dcb4ac0d9014c ; For arduino-pico 4.2.1
+platform = https://github.com/maxgerhardt/platform-raspberrypi.git#19e30129fb1428b823be585c787dcb4ac0d9014c ; For arduino-pico >=4.2.1
 extends = arduino_base
-platform_packages = framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#996c3bfab9758f12c07aa20cc6d352e630c16987 ; 4.2.1 with fix for sporadic hangs
+platform_packages = framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#6024e9a7e82a72e38dd90f42029ba3748835eb2e ; 4.3.0 with fix MDNS
 
 board_build.core = earlephilhower
 board_build.filesystem_size = 0.5m

arch/rp2xx0/rp2350.ini

@@ -1,8 +1,8 @@
 ; Common settings for rp2040 Processor based targets
 [rp2350_base]
-platform = https://github.com/maxgerhardt/platform-raspberrypi.git#19e30129fb1428b823be585c787dcb4ac0d9014c ; For arduino-pico 4.2.1
+platform = https://github.com/maxgerhardt/platform-raspberrypi.git#19e30129fb1428b823be585c787dcb4ac0d9014c ; For arduino-pico >=4.2.1
 extends = arduino_base
-platform_packages = framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#96c3bfab9758f12c07aa20cc6d352e630c16987 ; 4.2.1 with fix for sporadic hangs
+platform_packages = framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#6024e9a7e82a72e38dd90f42029ba3748835eb2e ; 4.3.0 with fix MDNS
 
 board_build.core = earlephilhower
 board_build.filesystem_size = 0.5m

src/mesh/wifi/WiFiAPClient.cpp

@@ -62,11 +62,7 @@ static void onNetworkConnected()
         LOG_INFO("Start WiFi network services");
 
         // start mdns
-        if (
-#ifdef ARCH_RP2040
-            !moduleConfig.mqtt.enabled && // MDNS is not supported when MQTT is enabled on ARCH_RP2040
-#endif
-            !MDNS.begin("Meshtastic")) {
+        if (!MDNS.begin("Meshtastic")) {
             LOG_ERROR("Error setting up MDNS responder!");
         } else {
             LOG_INFO("mDNS Host: Meshtastic.local");