build(deps-dev): bump rubocop-rspec from 3.8.0 to 3.9.0 (#4736)

Bumps [rubocop-rspec](https://github.com/rubocop/rubocop-rspec) from 3.8.0 to 3.9.0.
- [Release notes](https://github.com/rubocop/rubocop-rspec/releases)
- [Changelog](https://github.com/rubocop/rubocop-rspec/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rspec@v3.8.0...v3.9.0)

---
updated-dependencies:
- dependency-name: rubocop-rspec
  dependency-version: 3.9.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile

@@ -83,7 +83,7 @@ group :test do
   gem 'rubocop-capybara'
   gem 'rubocop-factory_bot'
   gem 'rubocop-rails', '~> 2.34'
-  gem 'rubocop-rspec', '~> 3.8'
+  gem 'rubocop-rspec', '~> 3.9'
   gem 'rubocop-rspec_rails'
   gem 'rubocop-sequel', '~> 0.4.1'
   gem 'timecop'

Gemfile.lock

@@ -492,7 +492,7 @@ GEM
       rack (>= 1.1)
       rubocop (>= 1.75.0, < 2.0)
       rubocop-ast (>= 1.44.0, < 2.0)
-    rubocop-rspec (3.8.0)
+    rubocop-rspec (3.9.0)
       lint_roller (~> 1.1)
       rubocop (~> 1.81)
     rubocop-rspec_rails (2.32.0)
@@ -674,7 +674,7 @@ DEPENDENCIES
   rubocop-capybara
   rubocop-factory_bot
   rubocop-rails (~> 2.34)
-  rubocop-rspec (~> 3.8)
+  rubocop-rspec (~> 3.9)
   rubocop-rspec_rails
   rubocop-sequel (~> 0.4.1)
   rubyzip (>= 1.3.0)