chore: Update rubocop requirement from 1.74.0 to 1.75.1 (#1065)

* chore: Update rubocop requirement from 1.74.0 to 1.75.1

Updates the requirements on [rubocop](https://github.com/rubocop/rubocop) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.74.0...v1.75.1)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* modify the rule

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kazuaki Matsuo <[email protected]>

Author: dependabot[bot]

.rubocop.yml

@@ -1,6 +1,6 @@
 AllCops:
   TargetRubyVersion: 3.1
-Metrics/LineLength:
+Layout/LineLength:
   Max: 128
 Metrics/MethodLength:
   Enabled: false

Gemfile

@@ -22,5 +22,5 @@ gem 'minitest', '~> 5.0'
 gem 'minitest-reporters', '~> 1.1'
 gem 'pry'
 gem 'rake', '~> 13.0'
-gem 'rubocop', '1.74.0'
+gem 'rubocop', '1.75.1'
 gem 'yard', '~> 0.9.11'