Disable openai key access (#1555)

Author: pamelafox

infra/core/ai/cognitiveservices.bicep

@@ -4,6 +4,7 @@ param location string = resourceGroup().location
 param tags object = {}
 @description('The custom subdomain name used to access the API. Defaults to the value of the name parameter.')
 param customSubDomainName string = name
+param disableLocalAuth bool = false
 param deployments array = []
 param kind string = 'OpenAI'
 
@@ -30,6 +31,7 @@ resource account 'Microsoft.CognitiveServices/accounts@2023-05-01' = {
     customSubDomainName: customSubDomainName
     publicNetworkAccess: publicNetworkAccess
     networkAcls: networkAcls
+    disableLocalAuth: disableLocalAuth
   }
   sku: sku
 }

infra/main.bicep

@@ -361,6 +361,7 @@ module openAi 'core/ai/cognitiveservices.bicep' = if (isAzureOpenAiHost) {
       name: openAiSkuName
     }
     deployments: openAiDeployments
+    disableLocalAuth: true
   }
 }