Minor fixes.

Author: v-jaswel

articles/container-apps/tutorial-scaling.md

@@ -47,8 +47,8 @@ az containerapp up \
   --resource-group my-container-apps \
   --location centralus \
   --environment 'my-container-apps' \
-  --image mcr.microsoft.com/k8se/quickstart:latest \
-  --target-port 80 \
+  --image mcr.microsoft.com/dotnet/samples:aspnetapp \
+  --target-port 8080 \
   --ingress external \
   --query properties.configuration.ingress.fqdn \
 ```
@@ -61,8 +61,8 @@ az containerapp up `
   --resource-group my-container-apps `
   --location centralus `
   --environment my-container-apps `
-  --image mcr.microsoft.com/k8se/quickstart:latest `
-  --target-port 80 `
+  --image mcr.microsoft.com/dotnet/samples:aspnetapp `
+  --target-port 8080 `
   --ingress external `
   --query properties.configuration.ingress.fqdn `
 ```