chore(deps): bump solana-program from 2.3.0 to 4.0.0 #1602

	# The name of your workflow. GitHub displays the names of your workflows on your repository's "Actions" tab
	name: Rust Lint

	# To automatically trigger the workflow
	on:
	# NB: this differs from the book's project!
	# These settings allow us to run this specific CI pipeline for PRs against
	# this specific branch (a.k.a. book chapter).
	push:
	branches:
	- main
	- anchor-1.0
	- fix-biome-errors
	pull_request:
	types: [opened, synchronize, reopened]
	branches:
	- main

	env:
	# Force all JavaScript-based actions to use Node.js 24 runtime.
	# Node.js 20 actions are deprecated and will stop working June 2026.
	# This catches composite actions whose internal dependencies still reference @v4.
	FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

	# A workflow run is made up of one or more jobs, which run in parallel by default
	# Each job runs in a runner environment specified by runs-on
	jobs:
	# `fmt` container job
	fmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	- uses: dtolnay/rust-toolchain@stable
	with:
	# Specific to dtolnay/rust-toolchain: Comma-separated string of additional components to install
	components: rustfmt
	- name: Enforce formatting
	run: cargo fmt --check

	# `clippy` container job
	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- name: Linting
	# Allow diverging_sub_expression: false positive from Anchor 1.0's #[program] macro expansion
	run: cargo clippy -- -D warnings -A clippy::diverging_sub_expression

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