Update .Net version info in docs.

Author: SvenGroot

README.md

@@ -281,13 +281,13 @@ to see how to use an answer file during Windows setup.
 
 The core functionality for generating answer files is implemented in the
 [Ookii.AnswerFile library](doc/Library.md), which you can use in your own applications targeting
-.Net 7.0 or later.
+.Net 8.0 or later.
 
 ## Building and testing
 
 To build Answer File Generator, make sure you have the following installed:
 
-- [Microsoft .Net 7.0 SDK](https://dotnet.microsoft.com/download) or later
+- [Microsoft .Net 8.0 SDK](https://dotnet.microsoft.com/download) or later
 
 To build the application, library, and tests, simply use the `dotnet build` command in the `src`
 directory. You can run the unit tests using `dotnet test`.

doc/Library.md

@@ -1,7 +1,7 @@
 # Ookii.AnswerFile library [![NuGet](https://img.shields.io/nuget/v/Ookii.AnswerFile)](https://nuget.org/packages/Ookii.AnswerFile)
 
 The core functionality of the Answer File Generator is implemented in the Ookii.AnswerFile library,
-which you can integrate into your own applications. The library requires .Net 7.0 or later, and is
+which you can integrate into your own applications. The library requires .Net 8.0 or later, and is
 available on [NuGet](https://nuget.org/packages/Ookii.AnswerFile).
 
 To generate an answer file, you invoke the [`Generator.Generate`][] method, passing in an instance