Change changelog date

Author: marqdevx

content/hardware/04.pro/shields/portenta-cat-m1-nb-iot-gnss-shield/datasheet/datasheet.md

@@ -251,4 +251,4 @@ Hereby, Arduino S.r.l. declares that this product is in compliance with essentia
 
 | **Date**   | **Revision** | **Changes**     |
 | ---------- | ------------ | --------------- |
-| 07-06-2021 | 01           | Initial Version |
+| 31-01-2022 | 01           | Initial Version |