Add elixir 1.17 on CI matrix #123

	name: Elixir CI

	on: [pull_request]

	permissions:
	contents: read

	jobs:
	mix_test_old:
	name: Mix test (Elixir ${{matrix.elixir}} \| OTP ${{matrix.otp}})
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	include:
	- elixir: 1.13.x
	otp: 24
	os: ubuntu-20.04
	- elixir: 1.14.x
	otp: 25
	os: ubuntu-22.04
	- elixir: 1.15.x
	otp: 26
	os: ubuntu-22.04
	- elixir: 1.16.x
	otp: 26
	os: ubuntu-latest
	warnings_as_errors: true
	- elixir: 1.17.x
	otp: 26
	os: ubuntu-latest
	warnings_as_errors: true
	env:
	MIX_ENV: test
	steps:
	- uses: actions/checkout@v2
	- uses: erlef/setup-beam@v1
	with:
	otp-version: ${{matrix.otp}}
	elixir-version: ${{matrix.elixir}}
	- name: Install Dependencies
	run: \|
	mix local.hex --force
	mix local.rebar --force
	mix deps.unlock --all
	mix deps.get --only test
	- name: Cache build artifacts
	uses: actions/cache@v3
	with:
	path: \|
	~/.hex
	~/.mix
	_build
	key: ${{ matrix.otp }}-${{ matrix.elixir }}-build
	- run: mix compile --warnings-as-errors
	if: matrix.warnings_as_errors
	- run: mix test
	dialyzer:
	name: Latest checks (format, credo, dialyzer)
	runs-on: ubuntu-latest
	env:
	MIX_ENV: test
	steps:
	- uses: actions/checkout@v2
	- uses: erlef/setup-beam@v1
	with:
	otp-version: 26
	elixir-version: 1.16.x
	- name: Install Dependencies
	run: \|
	mix local.hex --force
	mix local.rebar --force
	mix deps.get --only test
	- name: Cache build artifacts
	uses: actions/cache@v3
	with:
	path: \|
	~/.hex
	~/.mix
	_build
	key: dialyzer
	- name: Check Formatting
	run: mix format --check-formatted
	- name: Run credo
	run: mix credo --strict
	- name: Run dialyzer
	run: mix dialyzer --halt-exit-status

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