chore(deps): update actions/checkout action to v4 #137

	on:
	push:
	branches: [main]
	pull_request:

	name: Continuous integration

	jobs:
	ci-linux:
	runs-on: ubuntu-20.04
	continue-on-error: ${{ matrix.experimental \|\| false }}
	strategy:
	matrix:
	rust: [nightly, stable]
	crate: [d1-pac, r528-pac, xr806-pac, v853-pac]

	include:
	# Nightly is only for reference and allowed to fail
	- rust: nightly
	experimental: true
	- crate: d1-pac
	target: riscv64imac-unknown-none-elf
	- crate: r528-pac
	target: armv7a-none-eabi
	- crate: xr806-pac
	target: thumbv8m.main-none-eabi
	- crate: v853-pac
	target: armv7a-none-eabi

	steps:
	- uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
	- name: Setup Rust toolchain
	run: rustup default ${{ matrix.rust }}
	- name: Install Rust targets
	run: rustup target add --toolchain=${{ matrix.rust }} ${{ matrix.target }}
	- name: Build crate
	run: cargo build --package ${{ matrix.crate }} --target ${{ matrix.target }}

	# On macOS and Windows, we at least make sure that the crate builds and links.
	build-other:
	strategy:
	matrix:
	os:
	- macOS-latest
	- windows-latest
	crate: [d1-pac, r528-pac, xr806-pac, v853-pac]

	include:
	- crate: d1-pac
	target: riscv64imac-unknown-none-elf
	- crate: r528-pac
	target: armv7a-none-eabi
	- crate: xr806-pac
	target: thumbv8m.main-none-eabi
	- crate: v853-pac
	target: armv7a-none-eabi

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
	- name: Install Rust targets
	run: rustup target add ${{ matrix.target }}
	- name: Build crate
	run: cargo build --package ${{ matrix.crate }} --target ${{ matrix.target }}

Provide feedback