chore(ci): use matrix for test step #349

	name: Compute coverage

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch:

	# Only one pull-request triggered run should be executed at a time
	# (head_ref is only set for PR events, otherwise fallback to run_id which differs for every run).
	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	coverage:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install stable
	uses: dtolnay/rust-toolchain@stable
	with:
	components: llvm-tools-preview
	- name: Install ubuntu dependencies
	run: \|
	sudo apt-get update && sudo apt-get install --no-install-recommends -y \
	build-essential \
	llvm-dev \
	libcfitsio-dev \
	pkg-config \
	libssl-dev \
	python3
	- name: cargo install cargo-llvm-cov
	uses: taiki-e/install-action@cargo-llvm-cov
	- name: cargo generate-lockfile
	if: hashFiles('Cargo.lock') == ''
	run: cargo generate-lockfile
	- name: cargo llvm-cov
	run: cargo llvm-cov -p fitsio --locked --lcov --output-path lcov.info
	- name: Record Rust version
	run: echo "RUST=$(rustc --version)" >> "$GITHUB_ENV"
	- name: Upload to codecov.io
	uses: codecov/codecov-action@v4
	with:
	fail_ci_if_error: true
	token: ${{ secrets.CODECOV_TOKEN }}
	env_vars: OS,RUST

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