Bump irb from 1.15.3 to 1.16.0

Bumps [irb](https://github.com/ruby/irb) from 1.15.3 to 1.16.0.
- [Release notes](https://github.com/ruby/irb/releases)
- [Commits](https://github.com/ruby/irb/compare/v1.15.3...v1.16.0)

---
updated-dependencies:
- dependency-name: irb
  dependency-version: 1.16.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile

@@ -66,7 +66,7 @@ group :test do
   gem 'rdoc', '~> 6.17'
   gem 'browserstack-local', '~> 1.4'
 
-  gem 'irb', '~> 1.15'
+  gem 'irb', '~> 1.16'
   gem 'pry-byebug', '~> 3.11'
 
   gem 'rest-client', '~> 2.1.0'