doc: Updated api resource reference for metricsQueries

[stephenthedev]

Purpose of this pull request

This little bugger made me waste a couple hours wondering why it was a 404 everytime I used it

Select the type of change

• Minor Changes - Typos, formatting, slight revisions
• Update Content - Revisions, updating sections
• New Content - New features, sections, pages, tutorials
• Site and Tools - .clabot, version updates, maintenance, dependencies, new packages for the site (Docusaurus, Gatsby, React, etc.)

NA

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[kimsauce]

@stephenthedev , good catch!