Add ruby new version 3.4.0 (#68)

* Add ruby new version 3.4.0

see: https://www.ruby-lang.org/en/news/2024/12/25/ruby-3-4-0-released/

* Add ruby new version 3.4.1

see: https://www.ruby-lang.org/en/news/2024/12/25/ruby-3-4-1-released/

Author: yamat47

.github/workflows/publish-new-image-version.yaml

@@ -12,6 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         RUBY_VERSION:
+          - 3.4.1
+          - 3.4.0
           - 3.3.6
           - 3.3.5
           - 3.3.4

features/ruby/devcontainer-feature.json

@@ -19,7 +19,7 @@
     "options": {
         "version": {
             "type": "string",
-            "default": "3.3.6",
+            "default": "3.4.1",
             "description": "The ruby version to be installed"
         }
     }