Fix PyTorch build: add PYTORCH_BUILD_NUMBER env var

Author: alexnorell

docker/dockerfiles/Dockerfile.onnx.jetson.6.2.0

@@ -86,7 +86,7 @@ RUN git clone --recursive --branch v${PYTORCH_VERSION} https://github.com/pytorc
     export USE_CUDA=1 USE_CUDNN=1 USE_MKLDNN=0 USE_DISTRIBUTED=0 BUILD_TEST=0 && \
     export TORCH_CUDA_ARCH_LIST="8.7" CUDA_HOME=/usr/local/cuda && \
     export CUDNN_LIB_DIR=/usr/lib/aarch64-linux-gnu CUDNN_INCLUDE_DIR=/usr/include && \
-    export MAX_JOBS=${MAX_JOBS} PYTORCH_BUILD_VERSION=${PYTORCH_VERSION} && \
+    export MAX_JOBS=${MAX_JOBS} PYTORCH_BUILD_VERSION=${PYTORCH_VERSION} PYTORCH_BUILD_NUMBER=1 && \
     python3 setup.py bdist_wheel && \
     python3 -m pip install dist/torch-*.whl