Update dependency rubocop to v1.56.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rubocop (source, changelog)	'1.56.3' -> '1.56.4'

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Release Notes

rubocop/rubocop (rubocop)

### [`v1.56.4`](https://togithub.com/rubocop/rubocop/blob/HEAD/CHANGELOG.md#1564-2023-09-28) [Compare Source](https://togithub.com/rubocop/rubocop/compare/v1.56.3...v1.56.4) ##### Bug fixes - [#​12221](https://togithub.com/rubocop/rubocop/issues/12221): Fix a false positive for `Layout/EmptyLineAfterGuardClause` when using `return` before guard condition with heredoc. (\[[@​koic](https://togithub.com/koic)]\[]) - [#​12213](https://togithub.com/rubocop/rubocop/issues/12213): Fix a false positive for `Lint/OrderedMagicComments` when comment text `# encoding: ISO-8859-1` is embedded within example code as source code comment. (\[[@​koic](https://togithub.com/koic)]\[]) - [#​12205](https://togithub.com/rubocop/rubocop/issues/12205): Fix an error for `Style/OperatorMethodCall` when using `foo bar./ baz`. (\[[@​koic](https://togithub.com/koic)]\[]) - [#​12208](https://togithub.com/rubocop/rubocop/issues/12208): Fix an incorrect autocorrect for the `--disable-uncorrectable` command line option when registering an offense is outside a percent array. (\[[@​koic](https://togithub.com/koic)]\[]) - [#​12203](https://togithub.com/rubocop/rubocop/pull/12203): Fix an incorrect autocorrect for `Lint/SafeNavigationChain` when using safe navigation with comparison operator as an expression of logical operator or comparison operator's operand. (\[[@​koic](https://togithub.com/koic)]\[]) - [#​12206](https://togithub.com/rubocop/rubocop/pull/12206): Fix an incorrect autocorrect for `Style/OperatorMethodCall` when using `foo./bar`. (\[[@​koic](https://togithub.com/koic)]\[]) - [#​12202](https://togithub.com/rubocop/rubocop/pull/12202): Fix an incorrect autocorrect for `Style/RedundantConditional` when unless/else with boolean results. (\[[@​ydah](https://togithub.com/ydah)]\[]) - [#​12199](https://togithub.com/rubocop/rubocop/issues/12199): Fix false negatives for `Layout/MultilineMethodCallIndentation` when using safe navigation operator. (\[[@​koic](https://togithub.com/koic)]\[]) ##### Changes - [#​12197](https://togithub.com/rubocop/rubocop/pull/12197): Make `Style/CollectionMethods` aware of `collect_concat`. (\[[@​koic](https://togithub.com/koic)]\[])

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This PR has been generated by Mend Renovate. View repository job log here.

[0crat]

@renovate/z[bot] this pull request is too small, just 2 lines changed (less than 10), there will be no formal code review, see §53 and §28; in the future, try to make sure your pull requests are not too small; @yegor256/z please review this and merge or reject

[yegor256]

@rultor please, try to merge, since 1 checks have passed

[rultor]

@rultor please, try to merge, since 1 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 1 checks have passed

@yegor256 Done! FYI, the full log is here (took me 18min)

[0crat]

There is an unrecoverable failure on my side. Please, submit it here:

PID: 2@6cd9cbf9-285e-453a-ac21-5371fdbc6cba, thread: PQ-C3RFVLU72
com.zerocracy.farm.strict.StrictProject[122] java.lang.IllegalArgumentException: File "blanks/renovate[bot].xml" is not accessible in "PMO"

1.0-SNAPSHOT: CID: 377b4eb1-a74e-4323-858e-a0e5b14ad222, Type: "Close job"

[0crat]

Job gh:yegor256/blog#626 is not assigned, can't get performer