embed int8 quantization and add embed test (#5667) #4

	name: linux-x64-cpu-gcc-san
	on:
	push:
	branches: [master]
	paths:
	- '.github/workflows/linux-x64-cpu-gcc-san.yml'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'src/*'
	- 'src/layer/*'
	- 'src/layer/x86/**'
	- 'tests/**'
	pull_request:
	branches: [master]
	paths:
	- '.github/workflows/linux-x64-cpu-gcc-san.yml'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'src/*'
	- 'src/layer/*'
	- 'src/layer/x86/**'
	- 'tests/**'
	concurrency:
	group: linux-x64-cpu-gcc-san-${{ github.ref }}
	cancel-in-progress: true
	permissions:
	contents: read

	jobs:
	linux-gcc-san:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	- name: build
	run: \|
	mkdir build && cd build
	cmake -DCMAKE_BUILD_TYPE=debug -DNCNN_ASAN=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
	cmake --build . -j $(nproc)
	- name: test
	run: \|
	cd build
	ctest --output-on-failure -j $(nproc)

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