chore(ci): update to actions/checkout@v4 #391

	name: CI

	on:
	pull_request:
	push:
	branches:
	- main
	- '[0-9]+.[0-9]+.x'

	env:
	CARGO_INCREMENTAL: 0
	CARGO_NET_RETRY: 10
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1
	RUSTFLAGS: -D warnings
	RUSTUP_MAX_RETRIES: 10

	jobs:
	test:
	name: Test (${{ matrix.os }})
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	- macos-latest
	- windows-latest
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- run: cargo test --workspace --all --verbose

	coverage:
	name: Coverage
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: taiki-e/install-action@cargo-llvm-cov
	- name: Generate code coverage
	run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	files: lcov.info
	fail_ci_if_error: true

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@clippy
	- run: cargo clippy --tests -- -Dclippy::all -Dclippy::pedantic

	fmt:
	name: Fmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- run: cargo fmt --all -- --check

	docs:
	name: Doc
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- run: RUSTDOCFLAGS="-D warnings --cfg docsrs" cargo doc --workspace --all-features --no-deps

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