fix CI gem version #13

	name: rspec
	on: push
	jobs:
	rspec:
	runs-on: ubuntu-latest
	services:
	mysql:
	image: mysql:5
	ports:
	- 3306:3306
	env:
	MYSQL_ALLOW_EMPTY_PASSWORD: yes
	options: >-
	--health-cmd "mysqladmin ping"
	--health-interval 5s
	--health-timeout 3s
	strategy:
	fail-fast: true
	matrix:
	ruby: ["2.7","3.0","3.1","3.2"]
	env:
	BUNDLE_GEMFILE: .github/Gemfile
	MYSQL_HOST: 127.0.0.1
	RAILS_ENV: test
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Setup ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- name: Install rake
	run: gem install rake
	- name: Setup database
	run: bundle exec rake db:prepare
	- name: run rspec
	run: bundle exec rspec

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