Fix RuboCop runtime errors #trivial
Fix RuboCop runtime errors #trivial

The following error occurred when currently running the RuboCop, so this PR is fixed this error.

```
bundle exec rubocop
.rubocop.yml: Metrics/LineLength has the wrong namespace - should be Layout
.rubocop.yml: Style/FileName has the wrong namespace - should be Naming
/Users/yudai.takada/ydah/danger/.rubocop.yml: Warning: no department given for PercentLiteralDelimiters.
Error: The `Layout/AlignHash` cop has been renamed to `Layout/HashAlignment`.
(obsolete configuration found in .rubocop.yml, please update it)
The `Layout/IndentHash` cop has been renamed to `Layout/FirstHashElementIndentation`.
(obsolete configuration found in .rubocop.yml, please update it)
The `Layout/IndentHeredoc` cop has been renamed to `Layout/HeredocIndentation`.
(obsolete configuration found in .rubocop.yml, please update it)
The `Style/BracesAroundHashParameters` cop has been removed.
(obsolete configuration found in .rubocop.yml, please update it)
```

danger/danger,danger/danger,danger/danger