Lint

Update mocha development dependency from 1.x to 2.x #93

	name: Lint
	on: [push, pull_request]
	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Ruby 2.7
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.7
	bundler-cache: true
	- name: Run Lint
	run: bundle exec rubocop --parallel

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