Fix a LogSubscriber deprecation in Rails 7.1

lib/thinking_sphinx/active_record/log_subscriber.rb

@@ -2,24 +2,36 @@
 
 class ThinkingSphinx::ActiveRecord::LogSubscriber < ActiveSupport::LogSubscriber
   def guard(event)
-    identifier = color 'Sphinx', GREEN, true
+    identifier = colored_text "Sphinx"
     warn "  #{identifier}  #{event.payload[:guard]}"
   end
 
   def message(event)
-    identifier = color 'Sphinx', GREEN, true
+    identifier = colored_text "Sphinx"
     debug "  #{identifier}  #{event.payload[:message]}"
   end
 
   def query(event)
-    identifier = color('Sphinx Query (%.1fms)' % event.duration, GREEN, true)
+    identifier = colored_text("Sphinx Query (%.1fms)" % event.duration)
     debug "  #{identifier}  #{event.payload[:query]}"
   end
 
   def caution(event)
-    identifier = color 'Sphinx', GREEN, true
+    identifier = colored_text "Sphinx"
     warn "  #{identifier}  #{event.payload[:caution]}"
   end
+
+  private
+
+  if Rails.gem_version >= Gem::Version.new("7.1.0")
+    def colored_text(text)
+      color text, GREEN, bold: true
+    end
+  else
+    def colored_text(text)
+      color text, GREEN, true
+    end
+  end
 end
 
 ThinkingSphinx::ActiveRecord::LogSubscriber.attach_to :thinking_sphinx