Older Erlang builds? #4

	name: ci/cd

	on:
	workflow_dispatch:
	push:
	branches: [ main, 'release/*' ]
	pull_request:
	branches: [ main, 'release/*' ]
	# Build once a month, just to be sure things are still working
	schedule:
	- cron: "19 3 26 * *"

	jobs:

	builds:
	name: Erlang ${{ matrix.otp_version }} build
	runs-on: ubuntu-22.04

	strategy:
	matrix:
	otp_version: ['27', '26', '25', '24']

	steps:
	- uses: actions/checkout@v4
	- uses: erlef/setup-beam@v1
	with:
	otp-version: ${{ matrix.otp_version }}
	rebar3-version: '3.22'
	- name: Compile
	run: rebar3 compile
	- name: Xref Checks
	run: rebar3 xref
	- name: Run Common Tests
	run: rebar3 ct -v

	old-builds:
	name: Erlang ${{ matrix.otp_version }} build
	runs-on: ubuntu-20.04

	strategy:
	matrix:
	otp_version: ['23', '22', '21']

	steps:
	- uses: actions/checkout@v4
	- uses: erlef/setup-beam@v1
	with:
	otp-version: ${{ matrix.otp_version }}
	rebar3-version: '3.15'
	- name: Compile
	run: rebar3 compile
	- name: Xref Checks
	run: rebar3 xref
	- name: Run Common Tests
	run: rebar3 ct -v

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