Fix JSON URL (earlephilhower#261)

you had "esrle" instead of "earle" in the GH URL :)

Author: ubidefeo

package.json

@@ -1,6 +1,6 @@
 {
     "name": "framework-arduinopico",
     "description": "Arduino Wiring-based Framework (RPi Pico RP2040)",
-    "url": "https://github.com/esrlephilhower/arduino-pico",
+    "url": "https://github.com/earlephilhower/arduino-pico",
     "version": "0.9.2"
 }