Changed the deprecated `Process.fork` to the supported `Process.exec` #5693

	name: CI

	concurrency:
	group: ${{ github.head_ref }}
	cancel-in-progress: true

	on:
	- pull_request
	jobs:
	matrix:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- id: file_changes
	uses: trilom/file-changes-action@v1.2.4
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.0
	bundler-cache: true
	- name: Install deps
	run: bundle install --jobs 4 --retry 3
	- id: set-matrix
	run: echo "matrix=$(bundle exec rake ci:matrix)" >> "$GITHUB_OUTPUT"
	env:
	FILES: ${{ steps.file_changes.outputs.files }}

	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}

	test:
	needs: matrix

	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix: ${{fromJson(needs.matrix.outputs.matrix)}}
	max-parallel: 4

	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-ruby@v1
	- name: Install deps
	run: bundle install --jobs 4 --retry 3

	- name: Docker version
	run: docker -v

	- name: Configure
	run: bundle exec rake config

	- name: Build
	run: \|
	make "build" -f "${DIRECTORY}/.Makefile"
	env:
	DIRECTORY: ${{ matrix.directory }}
	ENGINE: ${{ matrix.engine }}

	- name: Wait
	run: sleep 1

	- name: Test
	run: bundle exec rspec .spec
	env:
	LANGUAGE: ${{ matrix.language }}
	FRAMEWORK: ${{ matrix.framework }}
	ENGINE: ${{ matrix.engine }}

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