tidy: Accommodate rustfmt's preferred layout of stability attributes #66717
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Previously tidy would require that the
feature = "name_of_feature"
part of the stability attribute was on the same line as the#[stable(
/#[unstable(
opening part of the attribute, and that)]
was on the same line as the last key-value pair.That didn't work with rustfmt's preferred layout of long attributes, which is like: