Update workflows.yaml

Author: genaray

.github/workflows/workflows.yaml

@@ -58,12 +58,12 @@ jobs:
     # Build the project with defines
     - name: Build project
       run: |
-        dotnet build --configuration ${{ matrix.configuration }} -p:DefineConstants="${{ matrix.define }}"
+        dotnet build --configuration ${{ matrix.configuration }} --framework net8.0 -p:DefineConstants="${{ matrix.define }}"
 
     # Run tests
     - name: Run tests
       run: |
-        dotnet test --configuration ${{ matrix.configuration }} -p:DefineConstants="${{ matrix.define }}"
+        dotnet test --configuration ${{ matrix.configuration }} --framework net8.0 -p:DefineConstants="${{ matrix.define }}"
 
     - name: Upload dotnet test results
       uses: actions/upload-artifact@v4