fix(network): doc review (#4552)

Author: RoRoJ

pages/load-balancer/how-to/create-manage-routes.mdx

@@ -7,7 +7,7 @@ content:
   paragraph: Learn how to efficiently create and manage routes with Scaleway's Load Balancer, ensuring seamless traffic distribution and enhanced network performance. 
 tags: route rules load-balancer sni host-header target-backend
 dates:
-  validation: 2024-08-26
+  validation: 2025-03-05
   posted: 2023-02-08
 categories:
   - network

pages/vpc/reference-content/getting-most-private-networks.mdx

@@ -7,7 +7,7 @@ content:
   paragraph: Optimize your Scaleway VPCs, Private Networks and resource connectivity with this guide which details tips and best practices.
 tags: vpc private-network connectivity best-practice
 dates:
-  validation: 2024-08-28
+  validation: 2025-03-05
   posted: 2024-08-28
 categories:
   - network