FIX inconsistent title in feedback link

Author: springcomp

lessons/dotnet8/prerequisites/README.md

@@ -43,7 +43,7 @@ You should be good to go now!
 
 ## Feedback
 
-We love to hear from you! Was this section useful to you? Is anything missing? Let us know in a [Feedback discussion post](https://github.com/marcduiker/azure-functions-university/discussions/new?category=feedback&title=.NET6%20Prerequisites) here on GitHub.
+We love to hear from you! Was this section useful to you? Is anything missing? Let us know in a [Feedback discussion post](https://github.com/marcduiker/azure-functions-university/discussions/new?category=feedback&title=.NET8%20Prerequisites) here on GitHub.
 
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 [🔼 Lessons Index](../../README.md)