Bump actions/checkout from 3.6.0 to 4.0.0 #1072

	name: Elixir External Test

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest

	container:
	image: hexpm/elixir:1.15.2-erlang-26.0.2-debian-bookworm-20230612

	steps:
	- name: Install git
	run: \|
	apt-get update
	apt-get install -y git

	- name: Checkout repository and submodules
	uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
	with:
	submodules: recursive

	- name: Update submodules
	run: \|
	git config --global --add safe.directory /__w/elixir-analyzer/elixir-analyzer
	git submodule update --recursive --remote

	- name: Install Dependencies
	run: \|
	mix local.rebar --force
	mix local.hex --force
	mix deps.get

	- name: Run Tests
	run: mix test --only external

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