boards: arduino_nicla_sense_me: Update outdated links

This commit updates the outdated links for the full pinout PDF.

Signed-off-by: Stephanos Ioannidis <[email protected]>

Author: stephanosio

boards/arm/arduino_nicla_sense_me/doc/index.rst

@@ -137,7 +137,7 @@ References
    https://docs.arduino.cc/resources/datasheets/ABX00050-datasheet.pdf
 
 .. _full pinout:
-    https://docs.arduino.cc/static/60a076271ab009f7be1a7984fa14cf32/ABX00050-full-pinout.pdf
+    https://docs.arduino.cc/static/5eff7076d9a031ce823972d6f1faac4a/ABX00050-full-pinout.pdf
 
 .. _schematics:
     https://docs.arduino.cc/static/aa5abe05aeec6f8b5fe6f3f605a986b5/ABX00050-schematics.pdf