Bump rubocop from 1.24.1 to 1.25.0 (#853)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.24.1 to 1.25.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.24.1...v1.25.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -11,7 +11,7 @@ end
 
 group :test do
   gem 'rails-controller-testing', '~> 1.0.5'
-  gem 'rubocop', '~> 1.24.1'
+  gem 'rubocop', '~> 1.25.0'
   gem 'rubocop-performance'
   gem 'simplecov', require: false
   gem 'puma'

Gemfile.lock

@@ -181,9 +181,9 @@ GEM
       railties (>= 5.0)
     rexml (3.2.5)
     rmagick (4.2.4)
-    rubocop (1.24.1)
+    rubocop (1.25.0)
       parallel (~> 1.10)
-      parser (>= 3.0.0.0)
+      parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
@@ -263,7 +263,7 @@ DEPENDENCIES
   redcarpet (~> 3.5.1)
   responders (~> 3.0.1)
   rmagick
-  rubocop (~> 1.24.1)
+  rubocop (~> 1.25.0)
   rubocop-performance
   ruby-openid
   selenium-webdriver (~> 3.142.7)