Update CI: replace archived actions, enforce clippy, pin linelint #2413

	name: Static code analysis

	on:
	push:
	branches:
	- master
	pull_request:
	schedule:
	- cron: '21 4 * * *' # every day at 4:21 AM UTC

	jobs:
	security-audit:
	name: Security audit
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- name: Install security audit
	run: cargo install cargo-audit
	- name: Run security audit
	run: cargo audit
	fmt_check:
	name: Check code formatting
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- name: Check code formatting
	run: cargo fmt --check --all
	clippy_check:
	name: Clippy check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- name: Clippy
	run: cargo clippy --all-targets -- -D warnings
	linelint:
	name: Check that files end with line break
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Linelint
	uses: fernandrone/linelint@0.0.6
	id: linelint
	unused_dependencies:
	name: Look for unused dependencies
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- name: Install unused dependency checker
	run: cargo install cargo-udeps
	- name: Run unused dependency checker
	run: cargo +nightly udeps --all-targets

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