No clipping before activation in LSTM

Here is the line of code, where activation function h is applied:

https://github.com/microsoft/onnxruntime/blob/a5dc0f95d8598f13d326765976ef39bd8253735d/onnxruntime/core/providers/cpu/rnn/uni_directional_lstm.cc#L581

ONNX documentation for LSTM says that input to every activation function must be clipped if clip parameter is specified:

https://onnx.ai/onnx/operators/onnx__LSTM.html#attributes