Merge pull request #3407 from DomT4/x11

xquartz: add new versions + mark latest

Library/Homebrew/os/mac/xquartz.rb

@@ -26,6 +26,8 @@ module OS
         "2.7.73" => "2.7.7",
         "2.7.86" => "2.7.8",
         "2.7.94" => "2.7.9",
+        "2.7.108" => "2.7.10",
+        "2.7.112" => "2.7.11",
       }.freeze
 
       # This returns the version number of XQuartz, not of the upstream X.org.
@@ -52,7 +54,7 @@ module OS
         when "10.5"
           "2.6.3"
         else
-          "2.7.9"
+          "2.7.11"
         end
       end