update [githubpipenv] tests/examples

[chris48s]

This is mostly a standard "update the test/example" PR, but there was a confusing wrinkle to this one.

The service tests were failing, but the badge was actually working in production.
https://img.shields.io/github/pipenv/locked/dependency-version/metabolize/rq-dashboard-on-heroku/rq-dashboard/master totally works.

The reason is this code here:

shields/services/github/github-common-fetch.js

Lines 58 to 75 in 0c73b35

	if (serviceInstance.staticAuthConfigured) {
	const buffer = await fetchRepoContent(serviceInstance, {
	user,
	repo,
	branch,
	filename,
	})
	const json = serviceInstance._parseJson(buffer)
	return serviceInstance.constructor._validate(json, schema)
	} else {
	return serviceInstance._requestJson({
	schema,
	url: `https://raw.githubusercontent.com/${user}/${repo}/${branch}/${filename}`,
	errorMessages: errorMessagesFor(
	`repo not found, branch not found, or ${filename} missing`
	),
	})
	}

In production, staticAuthConfigured is false because we use the token pool. https://raw.githubusercontent.com/metabolize/rq-dashboard-on-heroku/master/Pipfile.lock still works if you rename your master branch to main, even though there is no master branch any more. The /contents API doesn't do that, hence the difference in behaviour.

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📖	✨ Thanks for your contribution to Shields, @chris48s!

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