Bump actions/checkout from 3 to 4 #78

	name: Verify
	on: [push]

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	fmt:
	runs-on: ubuntu-latest
	name: stable / fmt
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install stable
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- name: cargo fmt --check
	run: cargo fmt --check
	clippy:
	runs-on: ubuntu-latest
	name: ${{ matrix.toolchain }} / clippy
	permissions:
	contents: read
	checks: write
	strategy:
	fail-fast: false
	matrix:
	toolchain: [stable]
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install ${{ matrix.toolchain }}
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.toolchain }}
	components: clippy
	- name: cargo clippy
	run: cargo clippy --all-targets --all-features

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