Update arduino_nano_rp2040_connect.md

Web URL was a "404" dead link. Updating it to the latest valid URL.

Author: Timeline8

_board/arduino_nano_rp2040_connect.md

@@ -26,4 +26,4 @@ It’s got on-board, built-in sensors to turn your builds into powerhouse projec
 The Arduino Nano RP2040 Connect is the premium choice for RP2040 devices, and the perfect option for upgrading your projects and unlocking the potential of new ones.
 
 ## Purchase
-* [Arduino](https://store.arduino.cc/usa/nano-rp2040-connect-with-headers)
+* [Arduino](https://store-usa.arduino.cc/products/arduino-nano-rp2040-connect-with-headers)