bbatsov/rubocop

### New features

* [#11305](https://github.com/rubocop/rubocop/pull/11305): Add new `Style/RedundantDoubleSplatHashBraces` cop. ([@koic][])
* [#10812](https://github.com/rubocop/rubocop/pull/10812): New AllowMultilineFinalElement option for all LineBreaks cops. ([@Korri][])
* [#11277](https://github.com/rubocop/rubocop/issues/11277): Add new `Style/ConcatArrayLiterals` cop. ([@koic][])

### Bug fixes

* [#11255](https://github.com/rubocop/rubocop/pull/11255): Fix an error for `Style/RequireOrder` when `require` with no arguments is put between `require`. ([@ydah][])
* [#11273](https://github.com/rubocop/rubocop/issues/11273): Fix a false positive for `Lint/DuplicateMethods` when there are same `alias_method` name outside `rescue` or `ensure` scopes. ([@koic][])
* [#11267](https://github.com/rubocop/rubocop/issues/11267): Fix an error for Style/RequireOrder when modifier conditional is used between `require`. ([@ydah][])
* [#11254](https://github.com/rubocop/rubocop/pull/11254): Fix an error for `Style/RequireOrder` when `require` is a method argument. ([@koic][])
* [#11266](https://github.com/rubocop/rubocop/issues/11266): Fix a false positive for `Style/RedundantConstantBase` when enabling `Lint/ConstantResolution`. ([@koic][])
* [#11296](https://github.com/rubocop/rubocop/pull/11296): Fix an error for `Lint/NonAtomicFileOperation` when use file existence checks line break `unless` by postfix before creating file. ([@koic][])
* [#11284](https://github.com/rubocop/rubocop/issues/11284): Fix an incorrect autocorrect for `Style/WordArray` when assigning `%w()` array. ([@koic][])
* [#11299](https://github.com/rubocop/rubocop/pull/11299): Fix `base_dir` in `TargetFinder#find_files()`. ([@dukaev][])
* [#11250](https://github.com/rubocop/rubocop/pull/11250): Fix an error for `Style/GuardClause` when a method call whose last argument is not a string is in the condition body. ([@ydah][])
* [#11298](https://github.com/rubocop/rubocop/issues/11298): Fix `Lint/SafeNavigationChain` to correctly handle `[]` operator followed by save navigation and method chain. ([@fatkodima][])
* [#11256](https://github.com/rubocop/rubocop/issues/11256): Fix an incorrect autocorrect for `Style/HashSyntax` when without parentheses call expr follows after multiple keyword arguments method call. ([@koic][])
* [#11289](https://github.com/rubocop/rubocop/pull/11289): Correctly detect Rails version when using only parts of the framework, instead of the "rails" gem. ([@bdewater][])
* [#11262](https://github.com/rubocop/rubocop/pull/11262): Fix an error for `Style/IfUnlessModifier` when the body is a method call with hash splat. ([@fatkodima][])
* [#11281](https://github.com/rubocop/rubocop/pull/11281): Fix `NoMethodError` for `Style/Documentation` when a class nested under non-constant values. ([@arika][])

### Changes

* [#11306](https://github.com/rubocop/rubocop/pull/11306): Make `Style/IfWithSemicolon` aware of one line without `else` body. ([@koic][])

[@koic]: https://github.com/koic
[@Korri]: https://github.com/Korri
[@ydah]: https://github.com/ydah
[@dukaev]: https://github.com/dukaev
[@fatkodima]: https://github.com/fatkodima
[@bdewater]: https://github.com/bdewater
[@arika]: https://github.com/arika