Update rubocop-rspec_rails requirement from ~> 2.30.0 to ~> 2.31.0

Updates the requirements on [rubocop-rspec_rails](https://github.com/rubocop/rubocop-rspec_rails) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-rspec_rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rspec_rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rspec_rails@v2.30.0...v2.31.0)

---
updated-dependencies:
- dependency-name: rubocop-rspec_rails
  dependency-version: 2.31.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

publify_amazon_sidebar.gemspec

@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rubocop-performance", "~> 1.26.0"
   spec.add_development_dependency "rubocop-rails", "~> 2.33.3"
   spec.add_development_dependency "rubocop-rspec", "~> 3.7.0"
-  spec.add_development_dependency "rubocop-rspec_rails", "~> 2.30.0"
+  spec.add_development_dependency "rubocop-rspec_rails", "~> 2.31.0"
   spec.add_development_dependency "simplecov", "~> 0.22.0"
   spec.add_development_dependency "sqlite3", "~> 1.6"
 end