update main branch reference in CI workflow #20

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
	# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby

	name: CI

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

	permissions:
	contents: read

	jobs:
	test:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby-version: ['2.6', '2.7', '3.0', '3.1', '3.2']

	steps:
	- name: Run Confluent Platform (Confluent Server)
	uses: zendesk/[email protected]
	with:
	service: broker

	- uses: zendesk/checkout@v3

	- name: Set up Ruby
	uses: zendesk/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically

	- name: Wait for broker to boot
	run: 'while ! nc -z localhost 9092; do echo -n "."; sleep 0.1; done'

	- name: Run tests
	run: bundle exec rake
	env:
	DELIVERY_BOY_BROKERS: localhost:9092

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