Add support for ruby 3.4

Author: gangelo

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3", "3.4"]
     name: Ruby ${{ matrix.ruby }}
 
     steps: