Bump rubocop from 1.55.1 to 1.56.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.55.1 to 1.56.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.55.1...v1.56.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -90,7 +90,7 @@ group :development, :test do
   gem "rspec-mocks"
   gem "rspec-rails", "~> 6.0"
   gem "rspec-sidekiq", "~> 3.0", require: false
-  gem "rubocop", "~> 1.55"
+  gem "rubocop", "~> 1.56"
   gem "rubocop-rails", "~> 2.20"
   gem "shoulda-matchers", "~> 5.3"
   gem "simplecov", require: false

Gemfile.lock

@@ -78,6 +78,7 @@ GEM
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
+    base64 (0.1.1)
     bcrypt (3.1.19)
     better_errors (2.10.1)
       erubi (>= 1.0.0)
@@ -383,7 +384,8 @@ GEM
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
     rspec-support (3.12.1)
-    rubocop (1.55.1)
+    rubocop (1.56.0)
+      base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -546,7 +548,7 @@ DEPENDENCIES
   rspec-mocks
   rspec-rails (~> 6.0)
   rspec-sidekiq (~> 3.0)
-  rubocop (~> 1.55)
+  rubocop (~> 1.56)
   rubocop-rails (~> 2.20)
   rubyzip (~> 2.3)
   sanitize