Added custom bucket url support for [Scoop]

[jewlexx]

Closes #9982

[github-actions]

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[chris48s]

Could you add a parameter description to the bucket queryParam explaining that bucket can either be:

• one of the named buckets from https://github.com/ScoopInstaller/Scoop/blob/master/buckets.json e.g: extras
• the URL to a GitHub repo e.g: https://github.com/jewlexx/personal-scoop

Here's an example of what that looks like:

shields/services/github/github-issues-search.service.js

Lines 9 to 13 in 8ab9dfa

	const issuesSearchDocs = `
	For a full list of available filters and allowed values,
	see GitHub's documentation on
	[Searching issues and pull requests](https://docs.github.com/en/search-github/searching-on-github/searching-issues-and-pull-requests)
	`

shields/services/github/github-issues-search.service.js

Lines 98 to 103 in 8ab9dfa

	queryParam({
	name: 'query',
	description: issuesSearchDocs,
	example: 'is:closed label:bug author:app/sentry-io',
	required: true,
	}),

[jewlexx]

All done, let me know if there are any issues.

[github-actions]

🚀 Updated review app: https://pr-9984-badges-shields.fly.dev

[chris48s]

Awesome - thanks 👍
Great first contribution