Update dependency parallel_tests to v5.5.0

Author: renovate[bot]

site/profile/Gemfile

@@ -22,7 +22,7 @@ group :development do
   gem "metadata-json-lint", '~> 5.0',            require: false
   gem "rspec-puppet-facts", '~> 6.0',            require: false
   gem "dependency_checker", '~> 1.0.0',          require: false
-  gem "parallel_tests", '= 5.4.0',              require: false
+  gem "parallel_tests", '= 5.5.0',              require: false
   gem "pry", '~> 0.10',                          require: false
   gem "simplecov-console", '~> 0.9',             require: false
   gem "puppet-debugger", '~> 1.0',               require: false

site/role/Gemfile

@@ -22,7 +22,7 @@ group :development do
   gem "metadata-json-lint", '~> 5.0',            require: false
   gem "rspec-puppet-facts", '~> 6.0',            require: false
   gem "dependency_checker", '~> 1.0.0',          require: false
-  gem "parallel_tests", '= 5.4.0',              require: false
+  gem "parallel_tests", '= 5.5.0',              require: false
   gem "pry", '~> 0.10',                          require: false
   gem "simplecov-console", '~> 0.9',             require: false
   gem "puppet-debugger", '~> 1.0',               require: false