Bump parallel_tests from 2.28.0 to 2.29.0 (#2715) [ci skip]

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 2.28.0 to 2.29.0.
- [Release notes](https://github.com/grosser/parallel_tests/releases)
- [Commits](https://github.com/grosser/parallel_tests/compare/v2.28.0...v2.29.0)

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

Gemfile

@@ -125,7 +125,7 @@ end
 group :development, :test do
   gem "capybara", "~> 3.18" # Capybara is an integration testing tool for rack based web applications
   gem "faker", "~> 1.9" # A library for generating fake data such as names, addresses, and phone numbers
-  gem "parallel_tests", "~> 2.28" # Run Test::Unit / RSpec / Cucumber / Spinach in parallel
+  gem "parallel_tests", "~> 2.29" # Run Test::Unit / RSpec / Cucumber / Spinach in parallel
   gem "pry-byebug", "~> 3.7" # Combine 'pry' with 'byebug'. Adds 'step', 'next', 'finish', 'continue' and 'break' commands to control execution
   gem "rspec-rails", "~> 3.8" # rspec-rails is a testing framework for Rails 3+
   gem "rubocop", "~> 0.67", require: false # Automatic Ruby code style checking tool

Gemfile.lock

@@ -521,7 +521,7 @@ GEM
     orm_adapter (0.5.0)
     os (1.0.0)
     parallel (1.17.0)
-    parallel_tests (2.28.0)
+    parallel_tests (2.29.0)
       parallel
     parser (2.6.2.1)
       ast (~> 2.4.0)
@@ -893,7 +893,7 @@ DEPENDENCIES
   omniauth (~> 1.9)
   omniauth-github (~> 1.3)
   omniauth-twitter (~> 1.4)
-  parallel_tests (~> 2.28)
+  parallel_tests (~> 2.29)
   pg (~> 1.1)
   pry (~> 0.12)
   pry-byebug (~> 3.7)