added --framework net9.0 to becnhmark command args

Author: Petr Sramek

.github/workflows/dotnet.yml

@@ -28,4 +28,4 @@ jobs:
       run: dotnet test --no-build --verbosity normal
     - name: Benchmark (.NET 9)
       working-directory: ./benchmarks/PolylineAlgorithm.Benchmarks
-      run: dotnet run -c Release -- --runtimes net9.0 --filter *PolylineBenchmark*
+      run: dotnet run -c Release -- --framework net9.0 --runtimes net9.0 --filter *PolylineBenchmark*