fix(pgw): update docs

Author: RoRoJ

pages/public-gateways/how-to/move-to-routed-ip.mdx

@@ -7,7 +7,7 @@ content:
   paragraph: Find out how to move your Public Gateway from a legacy NAT IP addressing solution, to a routed IP solution, compatible with Scaleway's IP mobility project and features.
 tags: public-gateway public gateway nat-ip routed-ip ip-mobility
 dates:
-  validation: 2024-10-07
+  validation: 2025-04-15
   posted: 2024-04-03
 categories:
   - network