Fix Grape::Endpoint's inspect method when not called in the context of an API #798

	---
	name: danger
	on: pull_request

	jobs:
	danger:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 100
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.7
	bundler-cache: true
	- name: Run Danger
	run: \|
	# the token is public, has public_repo scope and belongs to the grape-bot user owned by @dblock, this is ok
	TOKEN=$(echo -n Z2hwX2lYb0dPNXNyejYzOFJyaTV3QUxUdkNiS1dtblFwZTFuRXpmMwo= \| base64 --decode)
	DANGER_GITHUB_API_TOKEN=$TOKEN bundle exec danger --verbose

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