bbatsov/rubocop

### Bug fixes

* [#10685](https://github.com/rubocop/rubocop/issues/10685): Fix a false positive for `Style/StringConcatenation` when `Mode: conservative` and first operand is not string literal. ([@koic][])
* [#10670](https://github.com/rubocop/rubocop/pull/10670): Fix a false positive for `Style/FetchEnvVar` in the body with assignment method. ([@ydah][])
* [#10671](https://github.com/rubocop/rubocop/issues/10671): Fix an incorrect autocorrect for `EnforcedStyle: with_first_argument` of `Layout/ArgumentAlignment` and `EnforcedColonStyle: separator` of `Layout/HashAlignment`. ([@koic][])
* [#10676](https://github.com/rubocop/rubocop/pull/10676): Fix `--ignore-unrecognized-cops` option always showing empty warning even if there was no problem. ([@nobuyo][])
* [#10674](https://github.com/rubocop/rubocop/issues/10674): Fix a false positive for `Naming/AccessorMethodName` with type of the first argument is other than `arg`. ([@ydah][])
* [#10679](https://github.com/rubocop/rubocop/issues/10679): Fix a false positive for `Style/SafeNavigation` when `TargetRubyVersion: 2.2` or lower. ([@koic][])

### Changes

* [#10673](https://github.com/rubocop/rubocop/pull/10673): Update auto-gen-config's comment re auto-correct for `SafeAutoCorrect: false`. ([@ydah][])

[@koic]: https://github.com/koic
[@ydah]: https://github.com/ydah
[@nobuyo]: https://github.com/nobuyo