Fix `MissingNonNullConstraint` to work with `ActiveRecord.belongs_to_required_validates_foreign_key` #84

	name: Lint
	on: [push, pull_request]

	jobs:
	# Run the linter first for rapid feedback if some trivial stylistic issues
	# slipped through the cracks.
	lint:
	runs-on: ubuntu-latest
	env:
	# When running in CI the gemspec does NOT pull rubocop as a dependency
	# to avoid conflicting with various Ruby/Rails setups. We need to
	# set LINT to explicitly request rubocop as a dependency.
	LINT: true
	steps:
	- uses: actions/checkout@v4
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.0
	bundler-cache: true
	- run: bundle exec rake rubocop

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