Remove support for ruby 3.0, update deps, fix logging using Console, … #593

	name: Ruby

	on: [push]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true

	- name: Run rubocop
	run: bundle exec rubocop -f github

	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby: ["3.1", "3.2", "3.3"]
	steps:
	- uses: actions/checkout@v2

	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true

	- name: Start Gremlin server
	run: \|
	docker-compose up -d --build
	sleep 3

	- name: Install deps
	run: \|
	gem install bundler -v 2.2.15
	bundle install

	- name: Run tests
	run: bundle exec rspec

	publish:
	runs-on: ubuntu-latest
	needs:
	- lint
	- test
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
	steps:
	- uses: actions/checkout@v2

	- uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true

	- name: Build gem
	run: gem build

	- name: Create credentials
	run: \|
	mkdir ~/.gem
	cat << EOF > ~/.gem/credentials
	---
	:rubygems_api_key: ${{ secrets.RUBYGEMS_TOKEN }}
	EOF
	chmod 0600 /home/runner/.gem/credentials

	- name: Push gem
	run: gem push *gem

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