fix(ai-data): align Generative IA data security with Managed Inference (scaleway#3964)

This alignment make it clear that Scaleway does not rely on an external actor like AWS/Azure subject to Cloud Act with servers in EU

Author: amanteaux

ai-data/generative-apis/reference-content/data-privacy.mdx

@@ -74,7 +74,7 @@ We implement appropriate technical and organizational security measures to prote
     - Manage accessibility with security groups
     - Physical server security
 - AI service security measures
-    - Hosting: Models consumed for inference are hosted in secure data centers within the European Union (EU).
+    - Hosting: Scaleway maintains full control over the Generative APIs service, hosting the models on its infrastructure in Europe without interaction with third-party services.
     - Encryption: All traffic between the customer and the inference service is encrypted using in-transit TLS encryption to ensure data protection during transmission.
     - Endpoint Security: Public-facing endpoints are secured with API key tokens.