Add access to test indices Torch

Author: gs-olive

.github/scripts/install-torch-tensorrt-windows.sh

@@ -1,6 +1,7 @@
 source "${BUILD_ENV_FILE}"
-${CONDA_RUN} ${PIP_INSTALL_TORCH} torchvision
+${CONDA_RUN} ${PIP_INSTALL_TORCH} torchvision --extra-index-url https://download.pytorch.org/whl/test/cu121 --extra-index-url https://download.pytorch.org/whl/test/cu118
 ${CONDA_RUN} pip install pyyaml mpmath==1.3.0
-${CONDA_RUN} pip install ${RUNNER_ARTIFACT_DIR}/torch_tensorrt*.whl tensorrt==10.0.0b6 --extra-index-url https://pypi.nvidia.com
+${CONDA_RUN} pip install tensorrt==10.0.0b6 --extra-index-url https://pypi.nvidia.com
+${CONDA_RUN} pip install ${RUNNER_ARTIFACT_DIR}/torch_tensorrt*.whl
 
 echo -e "Running test script";