workflows/tests: move to a different Brewfile cask.

[MikeMcQuaid]

1Password keep breaking their checksums which breaks our CI.

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Done by ✋🏻

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[Copilot]

Pull request overview

Replaces the 1password cask in the CI Brewfile test with rectangle because 1Password's checksums keep changing and breaking CI.

Changes:

• Swap cask "1password" for cask "rectangle" in the workflow test Brewfile.

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