updated docfx build to use .NET 10

Author: BenMakesGames

.github/workflows/docfx.yml

@@ -29,7 +29,7 @@ jobs:
     - name: Dotnet Setup
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 9.x
+        dotnet-version: 10.x
 
     - run: dotnet tool update -g docfx
     - run: docfx Docs/docfx.json