Update model version for gpt-4o to latest (Azure-Samples#2106)

* Update to latest model version

* Revert 35 turbo change

* Update only gpt4o

Author: pamelafox

infra/main.bicep

@@ -59,6 +59,7 @@ param speechServiceName string = ''
 param speechServiceSkuName string // Set in main.parameters.json
 param useGPT4V bool = false
 
+// https://learn.microsoft.com/azure/ai-services/openai/concepts/models?tabs=python-secure%2Cstandard%2Cstandard-chat-completions#standard-deployment-model-availability
 @description('Location for the OpenAI resource group')
 @allowed([
   'canadaeast'
@@ -145,7 +146,7 @@ param gpt4vDeploymentCapacity int = 0
 var gpt4v = {
   modelName: !empty(gpt4vModelName) ? gpt4vModelName : 'gpt-4o'
   deploymentName: !empty(gpt4vDeploymentName) ? gpt4vDeploymentName : 'gpt-4o'
-  deploymentVersion: !empty(gpt4vModelVersion) ? gpt4vModelVersion : '2024-05-13'
+  deploymentVersion: !empty(gpt4vModelVersion) ? gpt4vModelVersion : '2024-08-06'
   deploymentSkuName: !empty(gpt4vDeploymentSkuName) ? gpt4vDeploymentSkuName : 'Standard'
   deploymentCapacity: gpt4vDeploymentCapacity != 0 ? gpt4vDeploymentCapacity : 10
 }