Update NIA architecture image (#9180)

website/pages/docs/integrate/nia-integration.mdx

@@ -15,7 +15,7 @@ Network Infrastructure Automation (NIA) relies on a declarative, workflow and se
 
 Consul-Terraform-Sync executes one or more automation tasks with an appropriate value of service variables based on updates from the Consul service catalog. Each task consists of a runbook automation written as a compatible Terraform module using resources and data sources for the underlying network infrastructure. The Consul-Terraform-Sync daemon runs on the same node as a Consul agent.
 
-[![NIA Architecture](/img/nia-highlevel-diagram.png)](/img/nia-highlevel-diagram.png)
+[![NIA Architecture](/img/nia-highlevel-diagram.svg)](/img/nia-highlevel-diagram.svg)
 
 -> Please note that the above indicated solution is a “push” based method and is not the only way to integrate network devices with Consul and drive Network Infrastructure Automation Integration. If your preferred method is to directly integrate with Consul without using Terraform, then please use [Consul Integration Program](/docs/integrate/partnerships).
 

website/pages/docs/nia/architecture.mdx

@@ -15,7 +15,7 @@ network infrastructure to dynamically secure and connect services.
 
 ## 10,000 Foot View
 
-[![Consul-Terraform-Sync Architecture](/img/nia-highlevel-diagram.png)](/img/nia-highlevel-diagram.png)
+[![Consul-Terraform-Sync Architecture](/img/nia-highlevel-diagram.svg)](/img/nia-highlevel-diagram.svg)
 
 The diagram shows Consul-Terraform-Sync monitoring the Consul service catalog
 for updates and utilizing Terraform to update the state of the infrastructure.