update bundler-multilock, and remove duplicated lockfile #127

	name: Continuous Integration

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	test:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	ruby-version: [2.7, "3.0", 3.1, 3.2]
	lockfile: ['Gemfile.lock', 'Gemfile.rails-7.0.lock']

	services:
	postgres:
	image: postgres
	env:
	POSTGRES_PASSWORD: postgres
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432

	steps:
	- uses: actions/checkout@v3
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true
	- name: Run tests
	run: bin/rspec
	env:
	PGHOST: localhost
	PGUSER: postgres
	PGPASSWORD: postgres
	BUNDLE_LOCKFILE: ${{ matrix.lockfile }}

	lint:
	runs-on: ubuntu-latest
	env:
	BUNDLE_LOCKFILE: "Gemfile.lock"

	steps:
	- uses: actions/checkout@v3
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.7
	bundler-cache: true
	- name: Run RuboCop
	run: bin/rubocop
	timeout-minutes: 2

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