Bump credo from 1.7.3 to 1.7.4 #49

	name: Elixir Quality Checks

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- '*'

	jobs:
	quality_checks:
	name: Formatting, Credo, and Unused Deps
	runs-on: ubuntu-latest
	env:
	# In MIX_ENV=test, `$ mix xref graph` shows us a whole bunch of
	# test stuff that isn't really relevant (I think because Phoenix
	# changes what's a compile time versus runtime dependency in test
	# mode).
	#
	# The other checks don't really care what environment they run in,
	# and the Dialyzer job is already caching dev builds as well.
	MIX_ENV: dev
	elixir: "1.14.3"
	otp: "25.1.2"

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Setup Elixir Project
	uses: ./.github/actions/elixir-setup
	with:
	elixir-version: ${{ env.elixir }}
	otp-version: ${{ env.otp }}
	build-app: false

	- name: Check for unused deps
	run: mix deps.unlock --check-unused

	- name: Check code formatting
	run: mix format --check-formatted
	# Check formatting even if there were unused deps so that
	# we give devs as much feedback as possible & save some time.
	if: always()

	- name: Run Credo
	run: mix credo
	# Run Credo even if formatting or the unused deps check failed
	if: always()

	- name: Check for compile-time dependencies
	run: mix xref graph --label compile-connected --fail-above 0
	if: always()

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