Update chefstyle requirement from 1.4.5 to 1.5.0

Updates the requirements on [chefstyle](https://github.com/chef/chefstyle) to permit the latest version.
- [Release notes](https://github.com/chef/chefstyle/releases)
- [Changelog](https://github.com/chef/chefstyle/blob/master/CHANGELOG.md)
- [Commits](chef/chefstyle@v1.4.5...v1.5.0)

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

Gemfile

@@ -22,5 +22,5 @@ group :test do
   gem "rspec-mocks"
   gem "rspec_junit_formatter"
   gem "fog-core"
-  gem "chefstyle", "1.4.5"
+  gem "chefstyle", "1.5.0"
 end