fix: use specific version of concurrent-ruby gem #150

	name: CI
	on: [push, pull_request]
	jobs:
	build:
	name: Test on Ruby ${{ matrix.ruby_version }}, Rails ${{ matrix.rails_version }}, graphql-ruby ${{ matrix.graphql_version }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	ruby_version:
	- '2.7'
	- '3.0'
	- '3.1'
	- '3.2'
	graphql_version:
	- "~> 1.13.0"
	- "~> 2.0.0"
	- "~> 2.1.0"
	- "~> 2.2.0"
	rails_version:
	- "~> 5.2.0"
	- "~> 6.0.0"
	- "~> 6.1.0"
	- "~> 7.0.0"
	- "~> 7.1.0"
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
	- name: Set up Ruby ${{ matrix.ruby_version }}
	uses: ruby/setup-ruby@13e7a03dc3ac6c3798f4570bfead2aed4d96abfb # v1
	with:
	ruby-version: ${{ matrix.ruby_version }}
	- name: Build and test
	run: \|
	bundle install --jobs 4 --retry 3
	bundle exec rake test
	env:
	RAILS_VERSION: ${{ matrix.rails_version }}
	GRAPHQL_VERSION: ${{ matrix.graphql_version }}
	rubocop:
	name: Rubocop
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
	- name: Set up Ruby
	uses: ruby/setup-ruby@13e7a03dc3ac6c3798f4570bfead2aed4d96abfb # v1
	with:
	ruby-version: 3.2
	- name: Build and test
	run: \|-
	bundle install --jobs 4 --retry 3
	bundle exec rake rubocop

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