CI: add Ruby 3.3 to the test matrix #53

	---
	name: tests
	on: [ push, pull_request ]
	jobs:
	test:
	name: Test (Ruby ${{ matrix.ruby }})
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby: [ '2.6', '2.7', '3.0', '3.1', '3.2', '3.3' ]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby ${{ matrix.ruby }}
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- name: RSpec
	run: bundle exec rspec
	env:
	POSTGRESQL_URL: postgres://postgres:secretdb@localhost:25432/
	services:
	postgres:
	image: postgres
	env:
	POSTGRES_DB: event_sourcery_test
	POSTGRES_PASSWORD: secretdb
	ports:
	- 25432:5432

Provide feedback