[rb] make logging of test guards debug level not info

logs are too noisy as info

Author: titusfortner

rb/lib/selenium/webdriver/support/guards.rb

@@ -40,7 +40,7 @@ def initialize(example, bug_tracker: '', conditions: nil)
         def add_condition(name, condition = false, &block)
           condition = false if condition.nil?
           @guard_conditions << GuardCondition.new(name, condition, &block)
-          WebDriver.logger.info "Running with Guard '#{name}' set to: #{condition}"
+          WebDriver.logger.debug "Running with Guard '#{name}' set to: #{condition}"
         end
 
         def add_message(name, message)