Bump rubocop from 0.77.0 to 0.78.0 (#12677)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.77.0 to 0.78.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.77.0...v0.78.0)

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

Gemfile

@@ -135,7 +135,7 @@ group :development do
   gem 'letter_opener', '~> 1.7'
   gem 'letter_opener_web', '~> 1.3'
   gem 'memory_profiler'
-  gem 'rubocop', '~> 0.77', require: false
+  gem 'rubocop', '~> 0.78', require: false
   gem 'rubocop-rails', '~> 2.4', require: false
   gem 'brakeman', '~> 4.7', require: false
   gem 'bundler-audit', '~> 0.6', require: false

Gemfile.lock

@@ -558,7 +558,7 @@ GEM
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
     rspec-support (3.9.0)
-    rubocop (0.77.0)
+    rubocop (0.78.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)
@@ -778,7 +778,7 @@ DEPENDENCIES
   rqrcode (~> 0.10)
   rspec-rails (~> 3.9)
   rspec-sidekiq (~> 3.0)
-  rubocop (~> 0.77)
+  rubocop (~> 0.78)
   rubocop-rails (~> 2.4)
   ruby-progressbar (~> 1.10)
   sanitize (~> 5.1)