Enable rubocop-on-rbs to activestorage

[ksss]

Offenses:

gems/activestorage/6.1/lib/attached/model.rbs:50:39: C: [Corrected] RBS/Layout/SpaceAroundOperators: Use one space before |.
        ?service: (::String | ::Symbol| nil) service,
                                      ^
gems/activestorage/6.1/lib/attached/model.rbs:96:39: C: [Corrected] RBS/Layout/SpaceAroundOperators: Use one space before |.
        ?service: (::String | ::Symbol| nil) service,
                                      ^

632 files inspected, 2 offenses detected, 2 offenses corrected

[github-actions]

@ksss Thanks for your contribution!

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See also: https://github.com/ruby/gem_rbs_collection/blob/main/docs/CONTRIBUTING.md

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activestorage

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[ksss]

/merge