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changelog: [`slow_vector_initialization`]: auto-fix when appropriate I made a change for `slow_vector_initialization` lint suggestion to use `vec!` with size and remove the unneeded `resize` (or similar one) call in #13912, while only the former one was suggested in the previous implementation. Now, I think this lint can be automatically fixed with no unnecessary code in some cases. I wrote “in some cases” because if there are comments between vector declaration and `resize`, Clippy shouldn't apply auto-fix because the comment may informational.