Add backwards compatibility to Ruby 2.6 #232

	name: Tests

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master
	types:
	- opened
	- synchronize
	- reopened
	- ready_for_review
	- labeled
	- unlabeled

	jobs:
	changelog:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- id: read-version
	run: \|
	echo "::set-output name=VERSION::`cat lib/ice_cube/version.rb \| grep -i version \| awk '{ print $3 }' \| sed -e 's/\"//g'`"
	- uses: dangoslen/changelog-enforcer@v3
	with:
	skipLabels: 'skip-changelog'
	expectedLatestVersion: ${{ steps.read-version.outputs.VERSION }}
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: '3.1'
	bundler-cache: true
	- run: bundle exec standardrb
	test:
	needs:
	- changelog
	- lint
	strategy:
	matrix:
	rails: ['6.1', '7.0', '7.1']
	ruby: ['2.6', '2.7', '3.0', '3.1', '3.2', '3.3']
	runs-on: ubuntu-latest
	env:
	RAILS_VERSION: ${{ matrix.rails }}
	steps:
	- uses: actions/checkout@v4
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- run: bundle exec rake

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