Update rubocop requirement from ~> 0.59.2 to ~> 0.60.0

[dependabot-preview]

Updates the requirements on rubocop to permit the latest version.

Release notes

Sourced from rubocop's releases.

RuboCop 0.60

New features

• #5980: Add --safe and --safe-auto-correct options. ([Darhazer][])
• #4156: Add command line option --auto-gen-only-exclude. ([Ana06][], [jonas054][])
• #6386: Add VersionAdded meta data to config/default.yml when running rake new_cop. ([koic][])
• #6395: Permit to specify TargetRubyVersion 2.6. ([koic][])
• #6392: Add Whitelist config to Rails/SkipsModelValidations rule. ([DiscoStarslayer][])

Bug fixes

• #6330: Fix an error for Rails/ReversibleMigration when using variable assignment. ([koic][], [scottmatthewman][])
• #6331: Fix a false positive for Style/RedundantFreeze and a false negative for Style/MutableConstant when assigning a regexp object to a constant. ([koic][])
• #6334: Fix a false negative for Style/RedundantFreeze when assigning a range object to a constant. ([koic][])
• #5538: Fix false negatives in modifier cops when line length cop is disabled. ([drenmi][])
• #6340: Fix an error for Rails/ReversibleMigration when block argument is empty. ([koic][])
• #6274: Fix "[Corrected]" message being displayed even when nothing has been corrected. ([jekuta][])
• #6380: Allow use of a hyphen-separated frozen string literal in Emacs style magic comment. ([y-yagi][])
• Fix and improve LineLength cop for tab-indented code. ([AlexWayfer][])

Changes

• #3727: Enforce single spaces for key option in Layout/AlignHash cop. ([albaer][])
• #6321: Fix run of RuboCop when cache directory is not writable. ([Kevinrob][])

[Darhazer]: https://github.com/Darhazer
[Ana06]: https://github.com/Ana06
[jonas054]: https://github.com/jonas054
[koic]: https://github.com/koic
[DiscoStarslayer]: https://github.com/DiscoStarslayer
[scottmatthewman]: https://github.com/scottmatthewman
[drenmi]: https://github.com/drenmi
[jekuta]: https://github.com/jekuta
[y-yagi]: https://github.com/y-yagi
[AlexWayfer]: https://github.com/AlexWayfer
[albaer]: https://github.com/albaer
[Kevinrob]: https://github.com/Kevinrob

Changelog

Sourced from rubocop's changelog.

0.60.0 (2018-10-26)

New features

• #5980: Add --safe and --safe-auto-correct options. ([Darhazer][])
• #4156: Add command line option --auto-gen-only-exclude. ([Ana06][], [jonas054][])
• #6386: Add VersionAdded meta data to config/default.yml when running rake new_cop. ([koic][])
• #6395: Permit to specify TargetRubyVersion 2.6. ([koic][])
• #6392: Add Whitelist config to Rails/SkipsModelValidations rule. ([DiscoStarslayer][])

Bug fixes

• #6330: Fix an error for Rails/ReversibleMigration when using variable assignment. ([koic][], [scottmatthewman][])
• #6331: Fix a false positive for Style/RedundantFreeze and a false negative for Style/MutableConstant when assigning a regexp object to a constant. ([koic][])
• #6334: Fix a false negative for Style/RedundantFreeze when assigning a range object to a constant. ([koic][])
• #5538: Fix false negatives in modifier cops when line length cop is disabled. ([drenmi][])
• #6340: Fix an error for Rails/ReversibleMigration when block argument is empty. ([koic][])
• #6274: Fix "[Corrected]" message being displayed even when nothing has been corrected. ([jekuta][])
• #6380: Allow use of a hyphen-separated frozen string literal in Emacs style magic comment. ([y-yagi][])
• Fix and improve LineLength cop for tab-indented code. ([AlexWayfer][])

Changes

• #3727: Enforce single spaces for key option in Layout/AlignHash cop. ([albaer][])
• #6321: Fix run of RuboCop when cache directory is not writable. ([Kevinrob][])

Commits

• 014639f Cut 0.60
• ee8062f Tweak a changelog entry
• 9f518b6 Merge pull request #6401 from koic/insert_newline_at_eof_of_changelog
• 4fcae9e Insert a newline at EOF of CHANGELOG.md
• c77387c [Fix #6326] Fix alignment in Layout/RescueEnsureAlignment when using inline a...
• 1f00c77 Fix and improve LineLength cop for tab-indented code
• f79d183 Add Whitelist config to Rails/SkipsModelValidations (#6392)
• 87b0065 Changes to MkDocs / ReadTheDocs
• 6ce48b9 Permit to specify TargetRubyVersion 2.6
• 741cd6c Suppress deprecation warnings of Psych.safe_load args in Ruby 2.6
• Additional commits viewable in compare view

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