Bump actions/checkout from 3 to 4 #631

	name: Continuous Integration

	on:
	pull_request:
	merge_group:
	push:
	branches: [master, dev]

	jobs:
	msrv:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	cargo-cmd:
	- build --all-features
	- build --no-default-features
	steps:
	- uses: actions/checkout@v4
	- name: Get current MSRV from Cargo.toml
	id: current_msrv
	run: \|
	msrv=$(cat testcontainers/Cargo.toml \| grep rust-version \| sed 's/.* = "//; s/"//')
	echo "::set-output name=msrv::$msrv"
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{steps.current_msrv.outputs.msrv}}
	- uses: Swatinem/rust-cache@v2.5.0
	- run: cargo ${{ matrix['cargo-cmd'] }}

	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	cargo-cmd:
	- test --all-features
	- test --no-default-features
	steps:
	- uses: actions/checkout@v4
	- name: Enable Docker Remote API on Localhost
	shell: bash
	run: \|
	sudo mkdir -p /etc/systemd/system/docker.service.d/
	sudo cp ./.github/docker.override.conf /etc/systemd/system/docker.service.d/override.conf
	sudo systemctl daemon-reload
	sudo systemctl restart docker
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2.5.0
	- run: cargo ${{ matrix['cargo-cmd'] }}

	style:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dprint/check@v2.2

	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@1.67
	with:
	components: clippy
	- uses: Swatinem/rust-cache@v2.5.0
	- run: cargo clippy --all-targets -- -D warnings

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