feat: Rename banner param to nd-banner (#732)

Author: lamATnginx

content/agent/_index.md

@@ -3,7 +3,7 @@ title: NGINX Agent
 url: /nginx-agent/
 cascade:
   logo: NGINX-product-icon.png
-  banner:
+  nd-banner:
     enabled: true
     type: deprecation
     start-date: 2025-05-29

content/controller/_index.md

@@ -6,7 +6,7 @@ weight: 2100
 cascade:
   logo: "NGINX-Controller-product-icon-RGB.svg"
   noindex: true
-  banner:
+  nd-banner:
     enabled: true
     type: deprecation
     md: _banners/eos-cltr.md

content/mesh/_index.md

@@ -8,7 +8,7 @@ description: 'NGINX Service Mesh is a fully integrated lightweight service mesh
 url: /nginx-service-mesh/
 cascade:
   noindex: true
-  banner:
+  nd-banner:
     enabled: true
     type: deprecation
     md: _banners/eos-mesh.md

content/ngf/_index.md

@@ -3,7 +3,7 @@ title: NGINX Gateway Fabric
 url: /nginx-gateway-fabric/
 cascade:
   logo: NGINX-Gateway-Fabric-product-icon.png
-  banner:
+  nd-banner:
     enabled: true
     type: deprecation
     start-date: 2025-05-30

content/nim/deploy/_index.md

@@ -4,7 +4,7 @@ description:
 weight: 20
 url: /nginx-instance-manager/deploy/
 cascade:
-  banner:
+  nd-banner:
     enabled: true
     type: deprecation
     md: _banners/upgrade-r33.md