Update cache-aspnet-output-cache-provider.md (Typo "Azure Open AI"→"Azure OpenAI")

https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-aspnet-output-cache-provider
https://github.com/MicrosoftDocs/azure-docs/blob/main/articles/azure-cache-for-redis/cache-aspnet-output-cache-provider.md
#PingMSFTDocs

Author: hyoshioka0128

articles/azure-cache-for-redis/cache-aspnet-output-cache-provider.md

@@ -22,7 +22,7 @@ To use the Redis Output Cache Provider, first configure your cache, and then con
 
 For a full feature specification, see [ASP.NET core output caching](/aspnet/core/performance/caching/output?view=aspnetcore-8.0&preserve-view=true).
 
-For sample application demonstrating the usage, see [.NET 8 Web Application with Redis Output Caching and Azure Open AI](https://github.com/Azure-Samples/azure-cache-redis-samples/tree/main/tutorial/output-cache-open-ai).
+For sample application demonstrating the usage, see [.NET 8 Web Application with Redis Output Caching and Azure OpenAI](https://github.com/Azure-Samples/azure-cache-redis-samples/tree/main/tutorial/output-cache-open-ai).
 
 ## Store ASP.NET page output in Redis