rubocops: use Style/UnlessLogicalOperators

[SeekingMeaning]

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This replaces Style/UnlessMultipleConditions, which was added in #10256

The autocorrect part of UnlessMultipleConditions has been adapted for UnlessLogicalOperators in a pending PR: rubocop/rubocop#9553

[BrewTestBot]

Review period will end on 2021-03-04 at 09:51:25 UTC.

[MikeMcQuaid]

👏🏻 ❤️ ➖

[BrewTestBot]

Review period ended.

[MikeMcQuaid]

Thanks @SeekingMeaning!