chore: keep # fragments in Further Reading links on new docs site

[mdjermanovic]

Prerequisites checklist

• I have read the contributing guidelines.

What is the purpose of this pull request? (put an "X" next to an item)

[ ] Documentation update
[ ] Bug fix (template)
[ ] New rule (template)
[ ] Changes an existing rule (template)
[ ] Add autofix to a rule
[ ] Add a CLI option
[ ] Add something to the core
[x] Other, please explain:

We are using got and metascraper to determine final URLs for "Further Reading" links, but during the process # fragments from original links may have been lost.

For example, the last Further Reading link in no-iterator docs should point to https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Deprecated_and_obsolete_features#Object_methods

• https://deploy-preview-15884--docs-eslint.netlify.app/rules/no-iterator/#further-reading - this is preview from a previous PR. The link is missing #Object_methods at the end.
• https://deploy-preview-15888--docs-eslint.netlify.app/rules/no-iterator/#further-reading - this is preview for this PR. The link has #Object_methods at the end.

What changes did you make? (Give an overview)

Updated the link shortcode to keep fragments from original links.

Is there anything you'd like reviewers to focus on?

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[mdjermanovic]

This change does affect the page reported by the Mixed Content check, but this change didn't cause that particular error.

[nzakas]

I think #15890 already addresses this?

[mdjermanovic]

Yes, it does, I'm closing this in favor of #15890.