Add Ruby 3.4 to the matrix

Author: markoudev

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     continue-on-error: true
     strategy:
       matrix:
-        ruby: [ "3.3", "3.2", "3.1" ]
+        ruby: [ "3.4", "3.3", "3.2", "3.1" ]
         rails: [ "8.0", "7.1", "7.0", "6.1" ]
         # Rails 8 needs Ruby 3.2 or higher
         exclude: