Fix mistake

Author: Lamparter

.github/workflows/main.yml

@@ -70,7 +70,7 @@ jobs:
         submodules: true
 
       # Setup .NET
-    - name: Setup .NET ${{ matrix.framework }}
+    - name: Setup .NET 6.0
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'