Introduce N+1 matcher `issue_same_number_of_queries_as`

Lee Tickettrequested to merge
gitlab-community/gitlab-org/developer-relations/contributor-success/contributors-gitlab-com:532-nplusONE into main

What does this MR do and why?

Introduce N+1 matcher issue_same_number_of_queries_as

Changelog: Maintenance

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Before After

Validation steps

/cc @leetickett-gitlab

Closes #532

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