Upgrade CI and prebuild to cu118 (#2447) #3474

	name: backend-torchscript

	on:
	push:
	paths-ignore:
	- "demo/**"
	- "tools/**"

	pull_request:
	paths-ignore:
	- "demo/**"
	- "tools/**"
	- "docs/**"

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build_torchscript:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: [3.7]
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	with:
	submodules: 'recursive'
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install mmdeploy
	run: \|
	python -m pip install torch==1.11.0 torchvision==0.12.0 --extra-index-url https://download.pytorch.org/whl/lts/1.11/cpu
	python -m pip install mmcv-lite
	python tools/scripts/build_ubuntu_x64_torchscript.py 8
	python -c 'from mmdeploy.backend.torchscript import is_available; assert is_available()'

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