Update Lint/RequireRangeParentheses to not register a false positive when the begin element spans multiple lines. If the operator is on the same line as the end element, there is no ambiguity.

Fixes #14362.

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• Commit message starts with [Fix #issue-number] (if the related issue exists).
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• Squashed related commits together.
• Added tests.
• Ran bundle exec rake default. It executes all tests and runs RuboCop on its own code.
• Added an entry (file) to the changelog folder named {change_type}_{change_description}.md if the new code introduces user-observable changes. See changelog entry format for details.