Switch clippy from +nightly to $RUST_STABLE_VERSION #2718

	name: "Clippy"

	on:
	push:
	branches: ["main", "release-*"]
	pull_request:
	workflow_dispatch:

	# cancel previous runs
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	clippy:
	runs-on: ubuntu-22.04

	steps:
	- name: Install updates and protobuf-compiler
	run: sudo apt update && sudo apt install --assume-yes cmake protobuf-compiler

	- name: Checkout
	uses: actions/checkout@v4

	- name: Set rust version via common env file
	run: cat .github/env >> $GITHUB_ENV

	- name: Install stable toolchain
	run: \|
	rustup toolchain install $RUST_STABLE_VERSION --profile minimal --component clippy
	cargo --version
	cargo clippy --version

	- name: Fetch cache
	uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
	with:
	shared-key: "fellowship-cache-clippy"

	- name: Clippy
	run: cargo clippy --all-targets --locked -q
	env:
	RUSTFLAGS: "-D warnings"
	SKIP_WASM_BUILD: 1

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