rubocops/components_order: allow pour_bottle? in on_system blocks

[p-linnane]

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Sometimes only one type of system's bottles are required to default prefix. be in the . We should allow pour_bottle? to be added to on_system blocks in order to only restrict bottle pours on those systems.

Fixes https://github.com/orgs/Homebrew/discussions/6468.

[Copilot]

Pull Request Overview

This PR allows the pour_bottle? method to be used within on_system blocks in Homebrew formulas. This change enables more granular control over bottle installations by allowing restriction of bottle pours to specific systems only.

• Added pour_bottle? to the list of allowed methods within on_system blocks

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[MikeMcQuaid]

Thanks!