switch to new headless mode

From the cromedriver output:
Old Headless mode has been removed from the Chrome binary. Please use the new Headless mode (https://developer.chrome.com/docs/chromium/new-headless) or the chrome-headless-shell which is a standalone implementation of the old Headless mode (https://developer.chrome.com/blog/chrome-headless-shell).

spec/support/browsers/chrome.rb

@@ -1,5 +1,5 @@
 # rubocop:disable Metrics/PerceivedComplexity
-def register_chrome(language, name: :"chrome_#{language}", headless: "old", override_time_zone: nil)
+def register_chrome(language, name: :"chrome_#{language}", headless: "new", override_time_zone: nil)
   Capybara.register_driver name do |app|
     options = Selenium::WebDriver::Chrome::Options.new