readme : update recent API changes, and warn about Vulkan #8664

	name: Code Coverage
	on: [push, pull_request]

	env:
	GGML_NLOOP: 3
	GGML_N_THREADS: 1

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

	jobs:
	run:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install build-essential gcc-8 lcov

	- name: Build
	run: CC=gcc-8 make -j LLAMA_CODE_COVERAGE=1 tests

	- name: Run tests
	run: CC=gcc-8 make test

	- name: Generate coverage report
	run: \|
	make coverage
	make lcov-report

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
	with:
	files: lcov-report/coverage.info

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