Allow external access in VNet configuration

Changed the 'internal' property in vnetConfiguration from true to false to permit external access while still using a VNet. This update enables public connectivity for container apps environments when private ingress is used.

Author: CWade3051

infra/core/host/container-apps-environment.bicep

@@ -36,7 +36,7 @@ resource containerAppsEnvironment 'Microsoft.App/managedEnvironments@2025-02-02-
     publicNetworkAccess: usePrivateIngress ? 'Disabled' : 'Enabled'
     vnetConfiguration: usePrivateIngress ? {
       infrastructureSubnetId: subnetResourceId
-      internal: true
+      internal: false  // Changed to false to allow external access while still using VNet
     } : null
     workloadProfiles: usePrivateIngress
     ? [