Update rubocop to latest and fix as many violations as possible #78

	name: Ruby
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	jobs:
	rspec:
	strategy:
	fail-fast: false
	matrix:
	include:
	- { ruby: '2.7', rails: '6.0' }
	- { ruby: '3.0', rails: '6.1' }
	- { ruby: '3.1', rails: '7.0' }
	- { ruby: '3.2', rails: '7.1' }
	runs-on: ubuntu-latest
	env:
	BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/rails.${{ matrix.rails }}.gemfile
	services:
	postgres:
	image: postgres
	env:
	POSTGRES_USER: granite
	POSTGRES_PASSWORD: granite
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	# Maps tcp port 5432 on service container to the host
	- 5432:5432
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- run: bundle exec rspec

	rubocop:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: '3.0'
	bundler-cache: true
	- run: bundle exec rubocop

Provide feedback