bbatsov/rubocop

### New features

* [#9841](https://github.com/rubocop/rubocop/pull/9841): Support guard `if` and `unless` syntax keywords of Ruby 2.7's pattern matching for `Layout/SpaceAroundKeyword`. ([@koic][])
* [#9812](https://github.com/rubocop/rubocop/pull/9812): Support auto-correction for `Style/IdenticalConditionalBranches`. ([@koic][])
* [#9833](https://github.com/rubocop/rubocop/pull/9833): Add new `Style/InPatternThen` cop. ([@koic][])
* [#9840](https://github.com/rubocop/rubocop/issues/9840): Adds `AllowedReceivers` option for `Style/HashEachMethods`. ([@koic][])
* [#9818](https://github.com/rubocop/rubocop/pull/9818): Support Ruby 2.7's `in` pattern syntax for `Layout/CaseIndentation`. ([@koic][])
* [#9793](https://github.com/rubocop/rubocop/issues/9793): Add `Style/QuotedSymbols` to enforce consistency in quoted symbols. ([@dvandersluis][])
* [#9825](https://github.com/rubocop/rubocop/pull/9825): Add new `Lint/EmptyInPattern` cop. ([@koic][])
* [#9834](https://github.com/rubocop/rubocop/pull/9834): Add new `Style/MultilineInPatternThen` cop. ([@koic][])

### Bug fixes

* [#9822](https://github.com/rubocop/rubocop/issues/9822): Fix a false directive comment range for `Lint/RedundantCopDisableDirective`. ([@koic][])
* [#9819](https://github.com/rubocop/rubocop/issues/9819): Fix a false negative for `Style/TopLevelMethodDefinition` when defining a top-level method after a class definition. ([@koic][])
* [#9836](https://github.com/rubocop/rubocop/issues/9836): Fix incorrect corrections for `Layout/HashAlignment` when a `kwsplat` node is on the same line as a `pair` node with table style. ([@dvandersluis][])
* [#9805](https://github.com/rubocop/rubocop/pull/9805): Fix a false negative for `Layout/HashAlignment` when set `EnforcedStyle: with_fixed_indentation` of `ArgumentAlignment`. ([@koic][])
* [#9811](https://github.com/rubocop/rubocop/issues/9811): Fix an error for `Layout/ArgumentAlignment` with `Layout/FirstHashElementIndentation` when setting `EnforcedStyle: with_fixed_indentation`. ([@koic][])

### Changes

* [#9809](https://github.com/rubocop/rubocop/pull/9809): Change `Lint/SymbolConversion` to only quote with double quotes, since `Style/QuotedSymbols` can now correct those to the correct quotes as per configuration. ([@dvandersluis][])

[@koic]: https://github.com/koic
[@dvandersluis]: https://github.com/dvandersluis