Update test-dot-net.yaml (#960)

edit DSHERPA_ONNX_ENABLE_BINARY to on

@@ -89,7 +89,7 @@ jobs:
             -DCMAKE_BUILD_TYPE=Release \
             -DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \
             -DBUILD_ESPEAK_NG_EXE=OFF \
-            -DSHERPA_ONNX_ENABLE_BINARY=OFF \
+            -DSHERPA_ONNX_ENABLE_BINARY=ON \
             ..
           cmake --build . --target install --config Release