Update rubocop-rake requirement from ~> 0.6.0 to ~> 0.7.1

Updates the requirements on [rubocop-rake](https://github.com/rubocop/rubocop-rake) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-rake/releases)
- [Changelog](https://github.com/rubocop/rubocop-rake/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rake@v0.6.0...v0.7.1)

---
updated-dependencies:
- dependency-name: rubocop-rake
  dependency-version: 0.7.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

Gemfile

@@ -30,6 +30,6 @@ group :test do
   gem 'minitest-byebug', '~> 0.0.3'
   gem 'minitest-reporters', '~> 1.4', require: false
   gem 'rubocop', '~> 1.71', require: false
-  gem 'rubocop-rake', '~> 0.6.0', require: false
+  gem 'rubocop-rake', '~> 0.7.1', require: false
   gem 'simplecov', '~> 0.21', require: false
 end