Add Rails 8.1 support #49

	name: CI
	on: [push, pull_request]
	jobs:
	test:
	strategy:
	matrix:
	pg:
	- 9.6
	- 10
	- 11
	- 12
	- 13
	gemfile:
	- rails_6.0
	- rails_6.1
	- rails_7.0
	- rails_7.1
	- rails_7.2
	- rails_8.0
	- rails_8.1
	name: PostgreSQL ${{ matrix.pg }}
	runs-on: ubuntu-latest
	env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
	BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
	ImageOS: ubuntu20
	services:
	postgresql:
	image: postgres:${{ matrix.pg }}
	env:
	POSTGRES_PASSWORD: postgres
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432
	steps:
	- uses: actions/checkout@v2
	- name: Setup Ruby using .ruby-version file
	uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically
	- run: bundle exec rake spec

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