replace webdrivers with selenium >= 4

https://www.selenium.dev/documentation/selenium_manager/

Author: tansengming

Gemfile

@@ -17,6 +17,5 @@ group :test do
   # System tests
   gem 'capybara'
   gem 'puma'
-  gem 'selenium-webdriver'
-  gem 'webdrivers'
+  gem 'selenium-webdriver', '>= 4'
 end

test/spec_helper.rb

@@ -11,7 +11,6 @@
 # Chrome Setup
 require 'selenium-webdriver'
 require 'capybara'
-require 'webdrivers'
 Capybara.register_driver :selenium do |app|
   Capybara::Selenium::Driver.new(app, :browser => :chrome)
 end