CI: Add ruby 3.4

Author: ylecuyer

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.7, "3.0", 3.1, 3.2, 3.3, head]
+        ruby: [2.7, "3.0", 3.1, 3.2, 3.3, 3.4, head]
 
     steps:
     - name: Checkout repository

changelog.md

@@ -15,6 +15,8 @@ Internal improvements:
 
 Testing improvements:
 
+ * Add ruby 3.4 to CI ([696](https://github.com/arsduo/koala/pull/696))
+
 Others:
 
 v3.6.0 (2024-06-27)