Log logger gem if needed

This soon won't be needed, as 6.1 is out of support and 7.0 is about to be.

Author: lcreid

.yarnrc

@@ -2,4 +2,4 @@
 # yarn lockfile v1
 
 
-lastUpdateCheck 1741566858991
+lastUpdateCheck 1741731093687

test/test_helper.rb

@@ -3,6 +3,7 @@
 require "diffy"
 require "nokogiri"
 require "equivalent-xml"
+require "logger" if Gem.loaded_specs["rails"].version < Gem::Version.new("7.1.0.rc1")
 
 require_relative "../demo/config/environment"
 require "rails/test_help"